Recaps

Kitagawa Kai claimed sites across the island, maneuvered among the classes, and helped Class B win the Special Exam by a wide margin. Back aboard the cruise ship, his relationships with Ichinose Honami, Shiranami Chihiro, and others continued to develop as he prepared to help Horikita Suzune and Sakura Airi.

• Kitagawa Kai inspected clubs with Tachibana Akane, then boarded the cruise ship and spent time with Shiina Hiyori before the students reached the Uninhabited Island.
• Mashima Tomoya announced the island exam, and Kitagawa Kai led Class B to a strong camp while claiming twenty-one Check-in Devices and learning the island’s routes.
• Kitagawa Kai claimed a guarded Class A site at night, while Ryuen Kakeru negotiated a supply and information partnership with Katsuragi Kohei.
• Kitagawa Kai took Shiranami Chihiro fishing, let Horikita Suzune’s group inspect Class B’s camp, and met Kushida Kikyo privately as she revealed Suzune was Class D’s leader.
• Kitagawa Kai fought Ayanokoji Kiyotaka after Horikita Suzune collapsed, then carried her to safety and took over as Class D’s leader when she withdrew.
• Kitagawa Kai withdrew from the exam and named Himeno Yuki as Class B’s new leader, then Class B won with 578 points while Class D placed second.
• Aboard the cruise ship, Shiranami Chihiro and Ichinose Honami sat beside Kitagawa Kai, and he later comforted Chihiro in his suite before calling Ichinose to help.
• Kitagawa Kai gave Sakayanagi Arisu Heart Repair Fluid, teased Horikita Suzune over a meal, and Kushida Kikyo encouraged Sakura Airi to confide in her.

Kitagawa Kai navigated the Minority Exam, deepened his relationships, and helped Karuizawa Kei confront her past. As summer break began, Hirata Yosuke took charge of Class D, while Kai’s relationships with Horikita Suzune and Karuizawa Kei continued to develop.

• Kitagawa Kai guided Class B through the Minority Exam, using red and gray votes to secure a tie with Class A and a share of the rewards.
• Kitagawa Kai rescued Karuizawa Kei from Manabe Shiho, Yabu Nanami, and Yamashita Saki, then learned about her history of bullying and asked her to report on Class D.
• Kitagawa Kai began dating Yamamura Miki, while also growing closer to Sakayanagi Arisu and Tachibana Akane.
• After the cruise, Horikita Manabu appointed Kitagawa Kai vice president, and Kai started arranging for Tachibana Akane to serve as his secretary.
• Kitagawa Kai brought Shiina Hiyori and Yamamura Miki together over their shared love of books, while his advances toward Shiina raised her affection for him.
• Yamauchi Haruki accidentally started a fire, leading Sakayanagi Narimori to expel him, suspend Kanji Ike, and deduct 100 points from Class 1-D.
• Hirata Yosuke asserted control of Class D, while Kitagawa Kai and Horikita Suzune became more intimate and she warned him to keep his promise to make his partners happy.
• Karuizawa Kei invited Kitagawa Kai to meet her at the Oak Shopping Center's private pool, where he waited for her to arrive.

Kitagawa Kai built ties with more girls while Class A prepared for the Sports Festival and rival classes considered how to counter it. The arc ended with Kai celebrating his birthday in Room 520 and giving personalized rings to the girls gathered there.

• Kitagawa Kai became Student Council vice president, grew closer to Tachibana Akane, and reassured Ichinose Honami after a fortune teller warned of trouble in Kai’s love life.
• Kitagawa Kai gained Sakayanagi Narimori’s reluctant acceptance of his relationship with Sakayanagi Arisu, then led Class A’s Sports Festival preparations and set a goal of winning across the events.
• Kitagawa Kai trained with his classmates and joined morning runs with Ichinose Honami, Horikita Suzune, Kushida Kikyo, Karuizawa Kei, and others, while Ryuen Kakeru considered ways to weaken Class A’s strongest competitors.
• Kitagawa Kai agreed to become Tachibana Akane’s boyfriend, and Sakura Airi confessed that she wanted to be his girlfriend, which he accepted.
• Kitagawa Kai celebrated his birthday in Room 520 with Ichinose Honami, Tachibana Akane, Sakayanagi Arisu, and the other invited girls, who gave him presents and sang to him.
• Kitagawa Kai gave Ichinose Honami a pale blue ring and personalized rings to the other guests, then played truth or dare with them before the party wound down.

Kitagawa Kai led Class A through the Sports Festival, defeating the White Team’s schemes and winning the final relay. Class A finished with a record score, while the festival left Nagumo’s rivalry with Kai and several personal tensions unresolved.

• Kitagawa Kai agreed to help Asahina Nazuna rein in Miyabi Nagumo, and she accepted his offer of a date if he succeeded.
• Kitagawa Kai dominated the Sports Festival’s early events, while Hirata Yosuke helped secure Class D’s agreement not to interfere with Class A.
• Kitagawa Kai led a Red Team assault that toppled the White Team’s pole twice, despite Ryuen Kakeru’s rough tactics and complaints.
• Kitagawa Kai won the Borrowing Race with Chabashira Sae, then comforted her over her regrets before she sprained her ankle.
• Kitagawa Kai returned Asahina Nazuna’s omamori, and she rejected Nagumo’s jealousy and told him she would not be with someone who avoided responsibility.
• Kitagawa Kai and Himeno Yuki won the three-legged race, and Ayanokoji Kiyotaka told Kai that Chabashira had asked him to investigate Kai’s relationship with Hoshinomiya.
• Kitagawa Kai won the final relay for Class 1-A after Nagumo fell, with Horikita Manabu finishing second.
• Sakayanagi Narimori announced the Red Team’s victory and named Kitagawa Kai the outstanding first-year, while Class A set a record score and Class B and Class C fell further behind.