Arc 1The Affection System Begins

Kitagawa Kai used the Affection System to build connections across the classes while profiting from the school’s hidden rules and joining the Student Council. The stretch ended as he prepared to race Kanzaki Ryūji and Shibata Sō in a swimming lesson, with Ichinose Honami watching.

  • Kitagawa Kai met Yamamura Miki on the university bus, then discovered they were assigned to different classes, and he carried Sakayanagi Arisu to Class A after she fell in the hallway.
  • Kitagawa Kai befriended Kamuro Masumi after catching her stealing beer, then defeated Tanaka Masamichi and Fujiwara at chess before beating Sakayanagi Arisu in a match.
  • Kitagawa Kai warned Class B that Personal Points and classroom conduct were tied to class performance, then helped Ichinose Honami and Kanzaki Ryūji sell Class A information about the school’s hidden rules for one million points.
  • Kitagawa Kai negotiated a million-point deal with Hoshinomiya Chie to undermine Class D and secretly recorded their agreement, then kissed Kamuro Masumi and raised her affection level.
  • Kitagawa Kai interrupted Horikita Manabu’s Student Council speech with his Narrator skill, then helped Himeno Yuki leave a Class B gathering and later intervened when Manabu struck Horikita Suzune.
  • Horikita Manabu appointed Kitagawa Kai Student Council Secretary in exchange for guiding and protecting Suzune, and Kai showed Suzune a recording of her brother’s request.
  • Kitagawa Kai met Shiina Hiyori in the library and shared a conversation about mystery novels, then began learning his secretary duties from Tachibana Akane and spoke with Miyabi Nagumo.
  • At a swimming lesson, Kitagawa Kai joined Kanzaki Ryūji and Shibata Sō for a 50-meter freestyle race as Ichinose Honami watched and Kishida Shinichi fired the starting pistol.
Chapters 1–25 Vol. 1 Read

Ch. 1Advanced Nurturing: A chance encounter with an invisible girl

On the bus to Advanced Nurturing University, Kitagawa Kai activated an Affection System and befriended the overlooked Yamamura Miki. They discovered that Yamamura was assigned to Class A while Kitagawa was assigned to Class B, leaving her disappointed as they parted for their separate classes.

  • Kitagawa Kai boarded the university bus and activated an Affection System that identified Yamamura Miki as an eligible character.
  • Kitagawa Kai introduced himself to Yamamura Miki, and her affection level rose from 20 to 30.
  • Kitagawa Kai and Yamamura chatted during the trip, and he steadied Yamamura when she nearly fell getting off the bus.
  • Kitagawa Kai expressed hope that they would be in the same class, raising Yamamura's affection level to 40.
  • Kitagawa Kai and Yamamura checked the assignment board and found that Yamamura was in Class A while Kitagawa was in Class B.

Ch. 2Carrying Arisu into Class A's classroom

Kitagawa Kai accidentally knocked Sakayanagi Arisu down, then carried her to Class A despite her protests, creating an embarrassing first impression. Back in Class B, he met Ichinose Honami, whose friendly greeting earned him a high starting affection level and a stamina boost.

  • Kitagawa Kai collided with Sakayanagi Arisu in the hallway, and his system identified her as a romance target.
  • When Arisu fell again as she tried to stand, Kai caught her and carried her toward Class A despite her demand to be put down.
  • Kai kicked open Class A's door, set Arisu in the empty seat, and fled while her classmates teased her about their closeness.
  • Arisu grew embarrassed and resolved to remember Kai, while his system registered several changes to her affection level.
  • Kai returned to Class B and met Ichinose Honami, whose system profile showed an affection level of 30 and a stamina boost for him.

Ch. 3Class 1-B, a harmonious atmosphere

Class 1-B met their homeroom teacher, Hoshinomiya Chie, and learned about the school’s boarding rules and point system. Kitagawa Kai questioned whether the monthly 100,000-point allowance would continue, and Hoshinomiya left without clarifying.

  • Ichinose Honami and the other students introduced themselves, and Kitagawa Kai memorized their names.
  • Hoshinomiya Chie arrived, introduced herself as Class 1-B’s homeroom teacher, and explained that the class would stay together for three years.
  • Hoshinomiya distributed phones and explained that students would live on campus and use points for their expenses.
  • The students checked their phones and discovered that each had received 100,000 points, while Hoshinomiya said bullying was strictly prohibited.
  • Ichinose Honami asked Kitagawa Kai whether the points were real, and he confirmed the balance while noting that the arrangement seemed unusual.
  • Kitagawa Kai asked whether students would receive 100,000 points every month, and Hoshinomiya praised his attentiveness but refused to explain further before leaving.

Ch. 4The opening ceremony, a gathering of talent

Kitagawa Kai warned Class B that their monthly points might depend on the class’s performance, and urged them to conserve points and gather information. At the opening ceremony, he observed the other classes before enduring Chairman Sakayanagi Narimori’s lengthy welcome speech.

  • Kitagawa Kai told Class B that the school’s point distribution was unclear and proposed that future points would depend on class assessments.
  • Kitagawa Kai advised his classmates to spend cautiously, observe campus life, and keep his theory within Class B.
  • Kitagawa Kai declined Shibata Sō’s invitation to shop and went to the gymnasium with the other students.
  • Kitagawa Kai observed Katsuragi Kohei and Sakayanagi Arisu leading Class A, bruised Ryuen Kakeru and Yamada Albert in Class C, and the disorderly Class D, including Hirata Yosuke, Kushida Kikyo, and Ayanokoji Kiyotaka.
  • Chairman Sakayanagi Narimori welcomed the new students with a long speech, which Kitagawa Kai found tedious.

Ch. 5Supermarket check-in, catching a kitten

Kitagawa Kai caught Kamuro Masumi stealing a can of beer at the supermarket and used a recording of the theft to confront her. He invited her to seek thrills with him, but Kamuro rejected his offer and called him a pervert.

  • Kitagawa Kai bought daily necessities at the supermarket and spotted Kamuro Masumi casing the cameras.
  • Kamuro Masumi stole a can of beer and left the supermarket after paying for a different item.
  • Kitagawa Kai followed Kamuro Masumi to a secluded spot and showed her a video of the theft.
  • Kitagawa Kai deduced that Kamuro Masumi stole for the thrill and said she had potential.
  • Kitagawa Kai invited Kamuro Masumi to join him and be his kitten, but she angrily refused.

Ch. 6Catching a Kitten-Since When Were There Minors on Tomato?

Kitagawa Kai secured Kamuro Masumi’s tentative agreement to follow his instructions, and their encounter left her flustered and increasingly preoccupied with him. Back in his dorm, he chose Sakayanagi Arisu as his next target while Kamuro’s affection for him continued to rise through their messages.

  • Kamuro Masumi agreed to consider Kitagawa Kai’s proposal after he deleted the video of her stealing the beer.
  • Kitagawa Kai drank from Kamuro Masumi’s beer, and she snatched it from him and gulped down the rest before he welcomed her as his first “Kitten.”
  • Kamuro Masumi added Kitagawa Kai as a contact, then realized they had shared an indirect kiss and her affection level rose to 35.
  • After returning to his dorm, Kitagawa Kai decided to pursue Sakayanagi Arisu next.
  • Kamuro Masumi messaged Kitagawa Kai to deny she would listen to him, but he left her waiting before teasing her, raising her affection level to 40.

Ch. 7Club Challenge: Kitagawa Kai, Who Only Knew a Little

Kitagawa Kai challenged the Chess Club for points and used his master-level chess skill to defeat Tanaka Masamichi and club president Fujiwara. As the club accepted his victory, an unfamiliar girl arrived to challenge the upperclassmen.

  • Kitagawa Kai left his comfortable dorm room and headed to the Club Area for the day's club challenges.
  • Kitagawa Kai signed a school-guaranteed contract to wager eighty thousand points against Tanaka Masamichi, the Chess Club vice president.
  • Kitagawa Kai used his chess skill to narrowly defeat Tanaka Masamichi, who transferred the points to him.
  • Kitagawa Kai challenged president Fujiwara, who offered three hundred thousand points if Kai won and a deputy position if he lost.
  • Kitagawa Kai defeated Fujiwara, who bowed to him, before a girl's voice outside the room asked to test the upperclassmen at chess.

Ch. 8Putting Sakayanagi Arisu through the wringer

Kitagawa Kai defeated Sakayanagi Arisu in a tense chess match, earning her respect and provoking her to challenge him again. Both declined the chess club president’s offer to enter a tournament and left to have lunch together.

  • Kitagawa Kai welcomed Sakayanagi Arisu to the chess club and agreed to play only if the stakes were worthwhile.
  • Sakayanagi and Kitagawa played a closely contested game, but Kitagawa exploited an opening in her attack and checkmated her.
  • Sakayanagi acknowledged Kitagawa’s chess as interesting and vowed to defeat him in their next match.
  • Fujiwara invited Kitagawa and Sakayanagi to represent the chess club in a tournament, but both refused.
  • Kitagawa invited Sakayanagi to lunch, and she agreed to join him.

Ch. 9Isn't that Sakayanagi? Just one day, and you've fallen this far

Sakayanagi Arisu went to the cafeteria with Kitagawa Kai, who covered her meal after she ran out of points and teased her by taking food from her tray. She tried to question him about the school, but he put off answering, leaving her to depart in frustration.

  • On the way to the cafeteria, Sakayanagi asked whether Kitagawa usually took care of other girls, and he said he was doing it for her good looks.
  • At the ordering counter, Sakayanagi discovered she had no points after losing their chess match, and Kitagawa paid for her food.
  • Kamuro Masumi exchanged silent accusations with Kitagawa, called him a pervert, and fled after he mouthed “Kitten.”
  • While they ate, Kitagawa took Sakayanagi’s chicken drumstick and onsen egg after she offered them to him.
  • Sakayanagi asked Kitagawa what he thought of the school, but he delayed the answer until later, and she left the cafeteria in frustration.

Ch. 10Dig up Everything on Kitagawa Kai-Investigate Him Thoroughly

Sakayanagi Arisu and Hoshinomiya Chie questioned Kitagawa Kai’s ordinary-looking admissions record and decided to investigate him more closely. Meanwhile, Kitagawa grew closer to Ichinose on their walk to class, while Shiranami Chihiro watched them arrive together.

  • Sakayanagi Arisu asked Sakayanagi Narumori for Kitagawa Kai’s detailed admissions records, and he sent her the file.
  • Sakayanagi Arisu found Kitagawa’s uniformly average assessments suspicious, while Hoshinomiya Chie also questioned his entrance exam and resolved to observe him directly.
  • Kitagawa met Ichinose in the elevator, exchanged contact details with her, and joined the class group.
  • Ichinose gave Kitagawa a homemade rice ball, and his compliments raised her affection level to 38.
  • Shiranami Chihiro watched Kitagawa and Ichinose enter the classroom together and wondered how close they were.

Ch. 11The truth about the S System, Kitagawa Kai's address

Kitagawa Kai explained his theory that students’ monthly Personal Points depended on their classes’ Class Points, and that students in struggling classes could lose their allowance and face expulsion. The chapter ended with Kitagawa Kai asking Hoshinomiya Chie how many points could cancel an expulsion.

  • Kitagawa Kai pointed to the free necessities and meal counters as evidence that students could eventually run out of Personal Points.
  • Kitagawa Kai showed photographs of upperclassmen’s Class Points and inferred that class competition determined students’ monthly Personal Points.
  • Kitagawa Kai warned Class B that students could be expelled, citing the growing number of empty desks in upperclassmen’s Class C and Class D classrooms.
  • Ichinose Honami challenged Kitagawa Kai to provide evidence, then grew dejected as he explained his reasoning.
  • Kitagawa Kai asked Hoshinomiya Chie how many points it took to cancel an expulsion.

Ch. 12Class B's strategy: selling information

Kitagawa Kai proposed ways for Class B to protect its Class Points and build a shared reserve, then suggested selling information about the school’s possible discipline-based evaluation to Class A. Ichinose Honami and Kanzaki Ryūji agreed to join him after school to negotiate the trade.

  • Hoshinomiya Chie explained that twenty million Personal Points could cancel an expulsion penalty, leaving Ichinose Honami and the class alarmed by the cost.
  • Kanzaki Ryūji asked Kitagawa Kai for his thoughts, and Kitagawa warned that classroom behavior might be part of a special exam affecting Class Points.
  • Kitagawa urged Class B to follow classroom rules and proposed that students pool part of their Personal Points in a shared reserve managed by Ichinose Honami.
  • Kitagawa suggested selling Class A information about the school’s evaluation of classroom discipline, and he explained that a Contract could prevent Class A from reselling it.
  • Ichinose Honami asked to join the after-school negotiations, and Kitagawa invited Kanzaki Ryūji as well.

Ch. 13Leadership and Cohesion, Selling the Rules

Kitagawa Kai helped Class B understand the school's rules and unite around saving points and selling information. At lunchtime, he, Ichinose Honami, and Kanzaki Ryūji approached Katsuragi Kohei with a contract offering Class A information for one million points, leaving Katsuragi to consult his classmates.

  • Kitagawa Kai credited Ichinose Honami's rice ball and Class B's willingness to act together for their progress, while Hoshinomiya Chie watched the class become more disciplined.
  • Ichinose Honami, Kanzaki Ryūji, and Kitagawa Kai decided to approach Katsuragi Kohei rather than Sakayanagi Arisu about buying information.
  • The three met Katsuragi Kohei outside Class A and presented a contract offering information worth at least one million points, with Mashima Tomoya as witness.
  • Katsuragi Kohei said he needed to discuss the contract with his classmates and returned to Class A with Totsuka Yahiko.
  • Ichinose Honami questioned the choice of witness, and Kitagawa Kai explained that Mashima Tomoya would judge the information impartially.

Ch. 14The deal succeeds, Ichinose's affection rises

Class A accepted Class B’s deal and paid one million personal points for information about the school’s hidden rules. After the successful exchange, Ichinose Honami’s affection for Kitagawa Kai rose, and she began asking him about the points and the rule.

  • Katsuragi Kohei and Sakayanagi Arisu agreed to Class B’s proposal, and Totsuka Yahiko gathered one million points from Class A.
  • Kitagawa Kai and Ichinose Honami met with Katsuragi Kohei and Mr. Mashima Tomoya, who witnessed the agreement and signed the contract.
  • Class A transferred the points, and Kitagawa Kai handed Katsuragi Kohei a notebook containing information about the school’s hidden rules.
  • Ichinose Honami praised Kitagawa Kai for securing the points, then caught him staring at her and blushed.
  • Ichinose Honami’s affection for Kitagawa Kai increased by four to 52, rewarding him with Master-level Painting, before she began asking about the points and the rule.

Ch. 15The rooftop: This was getting hard to handle

Kitagawa Kai and Ichinose Honami sold Class A information about the hidden rules for one million personal points. On the rooftop, Kai accepted another million points from Hoshinomiya Chie to help lower Class D’s points, secretly recording their conversation as he left.

  • Kitagawa Kai explained to Ichinose Honami and Kanzaki Ryūji why they should wait before selling information to Class C and avoid selling it to Class D.
  • Ichinose Honami announced to Class B that Class A had paid one million personal points for the hidden-rule information.
  • Hoshinomiya Chie asked Kitagawa Kai to help lower Class D’s class points and offered him one million personal points up front.
  • Kitagawa Kai negotiated for the full million in advance, and Hoshinomiya Chie agreed.
  • Kitagawa Kai received the points and ended the recording he had secretly started before meeting Hoshinomiya Chie.

Ch. 16Kamuro, who never escaped her fate

During a break, Kitagawa Kai kissed Kamuro Masumi after teasing her about seeking thrills, leaving her flustered and unsure of her feelings. Kamuro fled to deliver coffee to Sakayanagi Arisu, but arrived without it and claimed she could not find the coffee shop.

  • Kitagawa Kai met Kamuro Masumi in the hallway as she carried coffee for Sakayanagi Arisu and learned Sakayanagi had caught her trying to get a spare staff-room key.
  • Kitagawa Kai teased Kamuro about her thrill-seeking and then kissed her, causing her affection level to rise and fall before settling at 62.
  • Kamuro Masumi dropped her coffee, protested Kitagawa Kai's advances, and tried to convince herself she had not fallen for him.
  • Kamuro Masumi rushed to Sakayanagi Arisu's classroom and, when asked where the coffee was, blurted out that she could not find the coffee shop.

Ch. 17Club recruitment, Horikita Manabu takes the stage

Kitagawa Kai attended the club orientation with Ichinose Honami and his classmates, then watched Horikita Manabu approach the stage. As Manabu’s silence unsettled the gymnasium, Kitagawa activated the Narrator Skill just as he picked up the microphone.

  • Ichinose Honami shared her homemade tamagoyaki with Kitagawa Kai and said she was considering joining the Student Council.
  • Ichinose invited her classmates to explore clubs together, and Kitagawa joined the group at the busy orientation.
  • Kitagawa found Kamuro Masumi looking at the Art Club’s flyer and persuaded her to try drawing with him.
  • Tachibana Akane hosted the orientation as the clubs introduced themselves to the new students.
  • Horikita Manabu silently took the stage, fixed his gaze on Yamauchi Haruki after Yamauchi mocked him, and Kitagawa activated the Narrator Skill as Manabu picked up the microphone.

Ch. 18Watch closely, this man is called Handsome Guy

Kitagawa Kai’s Narrator skill disrupted Horikita Manabu’s speech at the new-student assembly, prompting Horikita Suzune to enlist Ayanokoji Kiyotaka to investigate Miyabi Nagumo. Later, Ichinose Honami persuaded Kitagawa and Himeno Yuki to attend a Class B dinner.

  • Kitagawa Kai used his Narrator skill to interrupt Horikita Manabu’s speech, making the Gymnasium struggle to contain its laughter.
  • Horikita Manabu announced that the Student Council would recruit capable new students and warned that it was not a club.
  • Horikita Suzune asked Ayanokoji Kiyotaka to investigate Miyabi Nagumo’s relationship with Horikita Manabu, and Ayanokoji agreed.
  • Ichinose Honami invited Kitagawa Kai to a Class B dinner, and he reluctantly accepted.
  • Ichinose Honami invited Himeno Yuki to the dinner, and Himeno vaguely agreed.

Ch. 19The Dinner

Kitagawa Kai helped Himeno Yuki leave Class B’s dinner gathering and encouraged her to set boundaries with Ichinose. Later, he encountered Ayanokoji Kiyotaka near Horikita Suzune and Horikita Manabu, whose tense meeting he witnessed.

  • During dinner, Kitagawa Kai asked Himeno Yuki whether she enjoyed being alone, and she admitted that Class B’s enthusiasm made it difficult to refuse invitations.
  • When classmates proposed karaoke, Kitagawa Kai offered Himeno Yuki an excuse to leave, and they told Ichinose they were going out to buy things.
  • On their walk back to the dormitory, Kitagawa Kai told Himeno Yuki that she did not have to attend every gathering, and she thanked him before they parted.
  • After running several laps, Kitagawa Kai spotted Horikita Suzune near a grove and encountered Ayanokoji Kiyotaka in the shadows.
  • Kitagawa Kai saw Horikita Suzune facing her older brother, Horikita Manabu, who coldly remarked that he had not expected her to follow him.

Ch. 20President, You've Been Caught

Horikita Manabu told Horikita Suzune to drop out and struck her when she resisted, but Kitagawa Kai intervened and defeated him. Kitagawa extorted two million points in exchange for deleting his footage, leaving Suzune stunned by the encounter.

  • Horikita Manabu told Horikita Suzune that Class D would damage his reputation and urged her to drop out.
  • When Horikita Suzune insisted she could prove herself, Horikita Manabu slapped her and questioned whether she could survive at the school.
  • Kitagawa Kai photographed Horikita Manabu striking Suzune and dodged his attack before throwing him to the ground.
  • Horikita Manabu offered two million points for the footage, and Kitagawa Kai deleted it after receiving the payment.
  • Horikita Manabu learned Kitagawa Kai was from Class 1-B and sent Horikita Suzune back first.

Ch. 21When the Little Housekeeper Clocked In

Kitagawa Kai agreed to Horikita Manabu’s request to guide and protect Suzune in exchange for becoming Student Council Secretary. The next morning, Suzune confronted Kai about his appointment and entered his room to ask what he had said to her brother.

  • Horikita Manabu asked Kitagawa Kai to guide Suzune and protect her, and Kai demanded the Student Council Secretary position in return.
  • Horikita Manabu accepted Kai’s condition and appointed him Student Council Secretary.
  • Horikita Suzune found the appointment notice on the school bulletin board and went to confront Kai.
  • Kitagawa Kai told Suzune that her brother had appointed him after they spoke, then invited her into his room to discuss it.
  • Horikita Suzune hesitated, checked the Metal Compass in her pocket, and stepped inside, closing the door behind her.

Ch. 22The Sound Couldn't Be Photoshopped

Kitagawa Kai convinced Horikita Suzune that her brother had asked him to protect her, though she left after accepting him as her brother’s representative. He then went to the library, where he met Shiina Hiyori and discovered she was an available target.

  • Kitagawa Kai played Horikita Manabu’s recorded request for him to protect Horikita Suzune, raising her affection level as she realized her brother cared about her.
  • Horikita Suzune accepted Kitagawa Kai as the person entrusted by her brother but rejected his nickname and left his room.
  • A chestnut-blond girl saw Horikita Suzune leave the boys’ dormitory and concluded she had uncovered a secret.
  • Kitagawa Kai went to the library hoping to encounter Shiina Hiyori and found her reading a detective novel.
  • Shiina Hiyori struck up a conversation with Kitagawa Kai about The Inugami Curse and mystery novels.

Ch. 23Chance Encounter

Kitagawa Kai and Shiina Hiyori bonded over their shared love of mystery novels and spent lunch together, where Ichinose Honami unexpectedly joined them. After Ichinose left, Kitagawa and Shiina exchanged contact information, and Shiina invited him to return to the library that afternoon.

  • Kitagawa Kai and Shiina Hiyori discussed The Inugami Curse and other mystery novels until they lost track of time.
  • Shiina agreed to have lunch with Kitagawa, and their conversation continued as they walked to the cafeteria.
  • Ichinose Honami encountered them and joined them for lunch, chatting warmly with both.
  • After Ichinose left, Shiina praised her and told Kitagawa she was happy to meet someone who shared her interests.
  • Kitagawa and Shiina exchanged contact information, and Shiina suggested spending the afternoon together in the library.

Ch. 24Student Council

Kitagawa Kai joined the Student Council as a secretary and met Horikita Manabu, Tachibana Akane, and Miyabi Nagumo. After teasing Tachibana and provoking Nagumo with rumors about the Gymnasium narrator incident, he began learning his duties while Nagumo hinted at a plan to make the school more lively.

  • Kitagawa Kai visited the Student Council President's Office, where Horikita Manabu assigned Tachibana Akane to teach him the secretary's duties.
  • Kitagawa Kai gave Tachibana Akane honey lemon candies and teased her about being a couple with Horikita Manabu, who said they were only friends.
  • Tachibana Akane showed Kitagawa Kai the archived meeting minutes and regulations, while he complimented her and promised to study hard.
  • Miyabi Nagumo arrived to greet Kitagawa Kai and questioned him about rumors linking Nagumo to the Gymnasium narrator incident.
  • Kitagawa Kai repeated that students thought the prank matched Nagumo's style, and Nagumo laughed it off before saying he would discuss a new idea with Horikita Manabu to make the school more lively.

Ch. 25Swimming Class

Class B began its first swimming lesson, where Kitagawa Kai joined a 50-meter freestyle race against Kanzaki Ryūji and Shibata Sō for 5,000 points. The race started with Ichinose Honami watching Kitagawa from the sidelines.

  • In the changing room, Kanzaki Ryūji asked Kitagawa Kai whose swimsuit he was looking forward to seeing, and Kitagawa answered, "Honami-chan."
  • At the pool, teacher Kishida Shinichi introduced the lesson and reassured students who could not swim that they would learn before summer.
  • Kishida Shinichi split the class into groups and offered 5,000 points to the winner of each 50-meter freestyle group.
  • Kanzaki Ryūji invited Kitagawa Kai and Shibata Sō to race, and Kitagawa accepted.
  • Ichinose Honami watched Kitagawa as the five boys took their marks, and Kishida Shinichi fired the starting pistol.
Arc 1 of 18
Arc 1 of 18