Ch. 1Jonin Meeting

At a Konoha meeting, Hatake Kawafune backed Tsunade’s proposal to assign medical ninja to mission teams, but Sarutobi Hiruzen postponed the decision after the vote split nearly evenly. Afterward, Kawafune grew closer to Tsunade while Jiraiya watched from a distance, and Kawafune reflected on his powers and the coming war.

  • Sarutobi Hiruzen asked the Jonin to discuss Tsunade’s proposal to assign medical ninja to mission teams.
  • Hatake Kawafune publicly supported Tsunade’s proposal, and Dan Katō voiced his support afterward.
  • The Uchiha Clan opposed the proposal, while other votes left the tally nearly even, so Sarutobi Hiruzen postponed the decision.
  • Tsunade thanked Kawafune after the meeting, and the two arranged to drink and gamble together sometime.
  • Orochimaru noted Tsunade’s interest in Kawafune as Jiraiya left, looking desolate.
  • Kawafune rejoined Hatake Sakumo and reflected on his transmigration, his enhanced abilities, and the approaching Second Great Ninja War.

Ch. 2White Fang Shatters

Hatake Kawafune broke his older brother Sakumo’s ancestral blade during a spar and asked Old Tie to forge a replacement. He then visited Tsunade at the Senju estate, where he offered to help train Nawaki.

  • Kawafune defeated Sakumo in a spar, snapped his ancestral short blade, and fled before his brother could catch him.
  • Kawafune told Old Tie to forge Sakumo a replacement blade using the best materials.
  • Kawafune went to the Senju estate to see Tsunade and learned that she had already told her household to expect him.
  • Kawafune explained why he was taking refuge with Tsunade, and she invited him to lunch.
  • Kawafune offered to guide Nawaki’s training, and Tsunade accepted.

Ch. 3First Encounter with My Brother-in-Law

Kawafune tested Nawaki’s ninjutsu, then agreed to teach him swordsmanship in exchange for help pursuing Tsunade. The two began bonding, and Tsunade left to prepare lunch while they continued practicing.

  • Tsunade introduced Kawafune to Nawaki and praised his strength, prompting Nawaki to ask him for guidance.
  • Kawafune challenged Nawaki to make him move, but his lightning-enhanced defense nullified Nawaki’s Water Dragon Bullet Technique and his swordsmanship cut apart Nawaki’s Earth Dragon Bullet.
  • Nawaki asked to learn swordsmanship, and Kawafune offered to teach him if he helped Kawafune pursue Tsunade and agreed to visit the Hatake home.
  • Kawafune gave Nawaki advice about his chakra, hand seals, taijutsu, and ninjutsu, and Nawaki agreed to visit Kawafune’s house the next day with Tsunade.
  • Tsunade offered to prepare lunch, then left the brothers-in-law to keep practicing.

Ch. 4Uzumaki Mito

Kawafune trained Nawaki with a sword-weighted horse stance, then joined Tsunade and Nawaki for dinner, where he met Uzumaki Mito and Kushina. The chapter ended as the family began eating and drinking together.

  • Kawafune corrected Nawaki's stance and taught him to use Chakra while holding a horse stance for two hours.
  • Nawaki kept training until Tsunade called them to dinner, and Kawafune lent him the Eight-Faced Han Sword.
  • Kawafune told Nawaki that Hatake Armory was among Konoha's top three businesses by wealth.
  • Tsunade invited Kawafune to dinner, and he agreed to call her Tsunade-chan.
  • Kawafune met Uzumaki Mito and Kushina at the Senju dining hall and sensed concealed evil Chakra near Mito.
  • Uzumaki Mito welcomed Kawafune, and the family began eating as Tsunade poured drinks.

Ch. 5Spatial Seal

Kawafune shared a meal with Uzumaki Mito, Tsunade, Nawaki, and Kushina, and Mito used a sealing technique to store his sword in his palm. After the Nine-Tails warned Mito that Kawafune felt dangerous, Mito asked him to protect Tsunade as war approached.

  • Kawafune praised Uzumaki Mito for her devotion to Konoha and comforted Tsunade after she described the Third Hokage's rejection of her proposal to assign Medical Ninjas to mission squads.
  • Uzumaki Mito sealed the Eight-Faced Han Sword into Kawafune's palm and showed him how to summon it with Chakra.
  • The Nine-Tails told Mito that Kawafune's aura felt dangerous, and Mito returned to her body with a higher opinion of his strength.
  • Uzumaki Mito asked Kawafune to look after Tsunade during the coming war, and he agreed.
  • Tsunade, Nawaki, and Kushina walked Kawafune out, and Tsunade accepted his invitation to visit for drinks.

Ch. 6Uchiha Fugaku

Hatake Kawafune was confronted by Uchiha Fugaku for befriending Tsunade, but swiftly defeated him and warned the Uchiha to leave him alone. Fugaku returned to his clan determined to grow stronger, while Kawafune went home unaware he had become Fugaku’s motivation to awaken the Mangekyo Sharingan.

  • Kawafune sensed someone following him in a secluded alley and confronted Uchiha Fugaku, who questioned his ties to the Senju Clan.
  • Kawafune rejected Fugaku’s threats and drew his Eight-Faced Han Sword as Fugaku attacked with a returning kunai and Great Fireball Technique.
  • Kawafune destroyed the kunai with Palm Lightning, then struck Fugaku so quickly that his Three-Tomoe Sharingan could not follow.
  • Kawafune mocked Fugaku and left him injured, warning him to return only after his eyes had evolved further.
  • Anbu escorted Fugaku to the Uchiha compound, where he reported his defeat to the clan head and resolved to awaken the Mangekyo Sharingan before challenging Kawafune again.
  • Kawafune returned home, unaware that Fugaku had made him a reason to pursue the Mangekyo Sharingan.

Ch. 7Showing Off Too Hard

Kawafune returned home and learned that Sakumo was brooding over the broken ancestral sword, White Fang. At dinner, Kawafune’s boast that his own swords would become Hatake heirlooms moved Sakumo deeply, leaving Kawafune saddled with his brother’s newfound expectations.

  • Kawafune found Nayuki feeding the Ghost Mastiff and learned that Sakumo had gone to the Ancestral Hall to beg forgiveness for breaking White Fang.
  • After a nap, Kawafune was led to dinner by the Ghost Mastiff, where Sakumo sat in a sour mood.
  • Kawafune dismissed Sakumo’s concerns about White Fang and claimed that the Hatake Clan’s swords would become ancestral weapons because he was around.
  • Sakumo and Nayuki toasted Kawafune’s ambition, and Sakumo stopped dwelling on the broken sword.
  • Sakumo drank heavily, praised Kawafune, and went with Nayuki to offer incense to their ancestors; Kawafune then made the Ghost Mastiff carry him to his room.

Ch. 8Flying Thunder God Slash

Kawafune received Senju Tobirama’s Flying Thunder God Slash from Tsunade and began teaching Nawaki the basics of swordsmanship. Tsunade, Nawaki, and Kushina stayed at the Hatake Clan’s Training Hall, where Kawafune guided Nawaki through the movements.

  • Kawafune woke after drinking and discovered he had spent the night holding the Ghost Mastiff.
  • Tsunade arrived with Nawaki and Kushina, bringing Kawafune a scroll containing Senju Tobirama’s Flying Thunder God Slash.
  • Kawafune accepted the technique and invited Tsunade to stay for a meal and visit the Training Hall.
  • Kawafune demonstrated eight basic sword movements for Nawaki, then slowed down and corrected Nawaki as he practiced.

Ch. 9Opening a Hospital

Kawafune persuaded Tsunade to lead a hospital he would fund, presenting it as a way to train medical staff and fulfill her vision. They agreed to pursue the project, with Tsunade seeking Sarutobi Hiruzen's approval for a location while Kawafune prepared the money.

  • Kawafune corrected Nawaki's sword stance, then watched as Nawaki practiced and Kushina copied his movements.
  • Kawafune proposed opening a hospital to address the shortage of medical ninja and train staff.
  • Tsunade agreed to become the hospital's director after Kawafune offered to invest the funds.
  • Kawafune and Tsunade discussed the hospital's location, funding, staffing, and equipment, while Sakumo and Nayuki soon left them to it.
  • Tsunade said she would ask Sarutobi Hiruzen about a location and recruit staff once the land was confirmed.

Ch. 10That Woman Had Terrible Drinking Manners

Kawafune hosted Tsunade for a meal at the Hatake Clan home, where they drank his homemade strong liquor. Tsunade became wildly flirtatious as she got drunk, and Kawafune was left to keep drinking with her after Sakumo and Nayuki retired.

  • Kawafune treated Nawaki and Kushina's sore muscles, then led them and Tsunade to the dining room for a meal.
  • Kawafune served his homemade Sauce Fragrance liquor, and Tsunade eagerly drank alongside him and Sakumo.
  • Nawaki and Kushina finished eating and went to the Training Hall, while the adults continued drinking.
  • Tsunade draped herself over Kawafune, buried his face in her cleavage, and kissed his face repeatedly.
  • Sakumo called Tsunade's drinking manners terrible and went to his room with Nayuki, leaving Kawafune to keep drinking with Tsunade.

Ch. 11Perfectly Innocent

Kawafune and Tsunade woke up tangled together after drinking, but insisted they were innocent and parted awkwardly. Later, Kawafune admitted to Sakumo that he had feelings for Tsunade, and Sakumo approved.

  • Kawafune woke up holding Tsunade, and Tsunade sprang away when she realized they had slept together.
  • Kawafune and Tsunade learned the butler had sent Nawaki and Kushina home and kept their situation private.
  • Tsunade declined Kawafune’s offer of food and returned home, while Kawafune called after her that he would take responsibility.
  • Kawafune joined Sakumo for dinner, and Sakumo asked whether he had feelings for Tsunade.
  • Kawafune confirmed that he wanted Tsunade as his partner, and Sakumo agreed she was a good match.

Ch. 12Sarutobi Hiruzen

Tsunade sought Sarutobi Hiruzen’s approval for a hospital jointly planned with the Hatake Clan, while Kawafune began studying the Flying Thunder God Slash. Hiruzen agreed to consider selling land for the hospital, leaving Tsunade waiting for his answer and the Hatake Clan’s plans under discussion.

  • Tsunade recalled kissing Kawafune and sleeping beside him, then refused Nawaki’s invitation to visit the Hatake Clan because she had important business.
  • Kawafune welcomed Nawaki for sword training and practiced marking an Eight-Faced Han Sword with the Flying Thunder God Technique Formula, but could not sense the power of space.
  • Tsunade asked Sarutobi Hiruzen to approve land for a hospital that the Hatake Clan would help build, explaining that it could benefit Konoha and train medical ninja.
  • Hiruzen told Tsunade he needed to consult the higher-ups and that the land would have to be paid for, so she left without an immediate answer.
  • Hiruzen discussed the proposal with Mitokado Homura and Utatane Koharu, then agreed with them to choose a plot of land and sell it to the Hatake Clan.

Ch. 13Breakthrough

Kawafune mastered the Flying Thunder God Technique after sensing the power of space and tested it on Nawaki. At lunch, he told Tsunade that Hiruzen would likely approve the Hatake Clan’s land purchase, but warned that others might oppose the plan.

  • Kawafune wrapped the Eight-Faced Han Sword in Chakra, grasped the power of space, and successfully used the Flying Thunder God Technique.
  • Kawafune startled Nawaki by throwing the sword at him, then stopped it before it hit him and explained that he had been testing his newly completed technique.
  • Kawafune practiced moving between marked locations while Nawaki watched, then prepared to take him to lunch.
  • Tsunade joined Kawafune, Nawaki, Sakumo, and Nayuki for lunch and reported that Hiruzen had not yet decided whether to sell the land.
  • Kawafune predicted that Hiruzen would approve the sale for political and financial reasons, but warned that some people would cause trouble; Tsunade and Sakumo asked who.

Ch. 14100 Million Ryo

Kawafune arranged for custom Senbon to carry his Flying Thunder God formula and received approval to buy a plot of land for 100 million ryo. The land was near the Konoha Police Force, and he planned to secure the funds within two days.

  • Kawafune told Sakumo and Tsunade that they should wait for an enemy to make a move, while Tsunade remained curious about the person he had hinted at.
  • Kawafune asked Old Tie to forge lightweight, fast Senbon and arranged for them to be delivered to the residence within a week.
  • Kawafune continued overseeing Nawaki's sword training and resolved to help him avoid his tragic fate in the Second Great Ninja War.
  • Tsunade brought Kawafune the approved purchase document for a six-thousand-square-meter plot near the Konoha Police Force, priced at 100 million ryo.
  • Tsunade offered Kawafune her savings, but he declined and said he would have the funds ready in two days.

Ch. 15Root Ninja

Kawafune confronted a Root ninja who had infiltrated the Hatake compound to deliver Danzo’s invitation, then agreed with Sakumo to make Danzo wait rather than meet him at the tavern. Danzo continued plotting against Hiruzen as the Hatake household tightened its security.

  • In an underground chamber, Danzo learned Hiruzen had approved land for the Hatake Clan and ordered his subordinate to proceed with the plan.
  • Kawafune, Tsunade, Nawaki, Sakumo, and the others enjoyed breakfast at the Hatake compound, while Tsunade left to handle hospital matters and Nawaki began training.
  • Kawafune and Sakumo spotted a masked Root ninja in the Training Hall, and Kawafune killed him after he delivered Danzo’s letter.
  • Kawafune ordered the Hatake guards punished for allowing the intruder inside, while Sakumo imposed lashes, a pay cut, and further training on twelve Samurai.
  • Kawafune read Danzo’s invitation to meet at a tavern, and he and Sakumo decided Danzo could wait for him at the Hatake compound.

Ch. 16Political Demands

Kawafune received Danzo’s demand to become director of the planned hospital and refused, overpowering him after Danzo threatened the Hatake Clan. Danzo left alive but humiliated, and Kawafune expected the conflict to continue.

  • Kawafune spent the afternoon training Nawaki and escorted him home with Samurai as a precaution.
  • Danzo visited the Hatake estate with two Root ninja and demanded to direct the hospital Kawafune planned with the Senju Clan.
  • Kawafune rejected Danzo’s demand, while Sakumo killed the two Root ninja accompanying him.
  • Kawafune seized Danzo by the throat and crippled his ability to resist, forcing him to abandon his demand.
  • Kawafune let Danzo go, and Danzo left the estate vowing to remember him.

Ch. 17Utatane Koharu

Kawafune and Sakumo dealt with Danzo’s attempt to gain control of the new hospital, then Kawafune enlisted Tsunade to recruit Utatane Koharu as its nominal vice director. The chapter ended with Kawafune using Flying Thunder God beside Nawaki and startling Kushina.

  • Kawafune explained to Sakumo why they had spared Danzo, despite Sakumo wanting to kill him.
  • Tsunade, Nawaki, and Kushina came to Kawafune’s house for breakfast, and Kawafune told Tsunade that Danzo had sought a nominal directorship of the hospital.
  • Kawafune revealed that Sakumo had killed two of Danzo’s men and spared Danzo, and he warned that Danzo wanted to use the hospital to build public prestige.
  • Kawafune asked Tsunade to invite Utatane Koharu to serve as the hospital’s nominal vice director for an annual salary of five million.
  • Kawafune hinted to Sakumo that Koharu’s role related to the Third Hokage’s other fellow disciples, then used Flying Thunder God beside Nawaki and frightened Kushina.

Ch. 18Danzo's Night Visit to the Uchiha

Kawafune agreed to take Kushina’s friend Minato Namikaze as his student, then Shimura Danzō visited the Uchiha Clan Head to propose stopping the Senju hospital from opening. The Uchiha Clan Head agreed to discuss cooperation, leaving Danzō’s plan unresolved.

  • Kawafune offered to teach Minato after Kushina said her friend would become strong by learning his technique, and she promised to tell Minato when school started.
  • Kushina stopped training with Nawaki and happily petted the Ghost Mastiff, which pulled away after sensing Kawafune’s displeasure.
  • Shimura Danzō and two Root ninjas entered the Uchiha compound at night and met with the Uchiha Clan Head, with Uchiha Fugaku present.
  • Danzō told the Uchiha Clan Head that the Senju planned to build a hospital beside the Police Force and said he wanted it stopped.
  • The Uchiha Clan Head saw that Danzō wanted to block Tsunade’s rise and asked how they could cooperate.

Ch. 19Funds Secured

The Uchiha Clan Head agreed to cooperate with Danzo while secretly planning to use Root as a pawn, and Fugaku decided to flee from Kawafune. Kawafune gave Tsunade 100 million ryo for the Third Hokage, then demonstrated Flying Thunder God to Sakumo and offered to teach it.

  • Danzo and the Uchiha Clan Head agreed that Root would cooperate with the Uchiha, but the Clan Head planned to make Root lead any conflict and use the Police Force's secret operation as a pretext.
  • The Uchiha Clan Head explained his plan to Fugaku, who resolved to run if he encountered Kawafune.
  • Kawafune gave Tsunade a chest containing 100 million ryo to deliver to the Third Hokage, and she threw him over her shoulder after he tried to flirt with her.
  • Nawaki received Kawafune's old practice sword and practiced with it while Kawafune went to the Training Hall.
  • Kawafune used Flying Thunder God to defeat Sakumo in a spar and offered to teach him the technique.

Ch. 20Each with Their Own Schemes

Kawafune tried to teach Sakumo the Flying Thunder God Technique, but Sakumo could not sense the power of space. Meanwhile, Tsunade delivered 100 million ryo to the Third Hokage, and Danzo and the Uchiha Clan prepared to act around the planned hospital construction.

  • Kawafune gave Sakumo the Flying Thunder God scroll, and Sakumo learned the technique formula but failed to sense the power of space.
  • Tsunade delivered 100 million ryo from the Hatake Clan to the Third Hokage, who said the village could begin improving its facilities.
  • The Third Hokage asked Tsunade about her closeness to Kawafune and warned her to be careful as war approached.
  • Danzo learned that Tsunade had delivered the money and ordered Root to coordinate with the Uchiha Clan over the hospital construction.
  • Uchiha Clan members captured a Root ninja, then told him they would cooperate while deciding to wait for activity at the hospital site.
  • Sakumo stopped training to rest with Nayuki, and Kawafune's shout sent the Ghost Mastiff fleeing into Nayuki's arms.
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