1. Chifusa Betrays Her Clan

In a world where large breasts are crucial, Chifusa Manyu, heir of the Manyu family, flees with their secret enlargement techniques. Attacked by her sister Kagefusa, Chifusa discovers her ability to transfer breast size and embarks on a journey with comrade Kaede.

3. Spirited Aboob

Starving, Chifusa and Kaede work at a maid bar, get fired, and help a man in a contest to appease a landlord. Chifusa wins despite Manyu attacks and impresses the landlord, who becomes infatuated with her.

4. The Lady Diver and Her Breasts

Chifusa and Kaede turn divers to pay a food bill. Chifusa rescues Oiso from an octopus using her Breast Flow technique, which alters Oiso's breast size. Oiso then kills the octopus, thanking Chifusa.

5. The Bum and the Boobs

Chifusa and Kaede save Osuzu from assault and help her win over Yasuke, a widower. They also deal with Yasuke's children, who miss their mother's breasts, promising them not to harass women after a unique deal.

6. Kagefusa, Once More

Chifusa's enlarged breasts hinder her. At a temple, a nun links her powers to maternal longing. Kagefusa steals the Manyu scroll but can't use it. Moved by Chifusa's kindness, she returns it, promising to learn the Breast Flow technique.

7. The Boob Thief

In a village, Chifusa gets a massage for her painful breasts. She becomes a bodyguard to catch "The Boobie Kid," a thief. The thief, revealed as masseuse Momoha, imparts her breast technique to Chifusa before dying.

8. Chifusa is Captured

Chifusa and Kaede meet Lord Mie, now a commoner. They're attacked by a Manyu swordsman who kidnaps Chifusa. Rescued by Mie and Kaede, Chifusa defeats the swordsman. Mie refuses her gratitude gesture.

9. The Love of a Flower Bud

Chifusa and Kaede rescue painter Sakuji from Manyu guards. Misunderstandings arise between Chifusa and Kaede over modeling for Sakuji. After a confrontation with guards, Sakuji paints Kaede, deepening her bond with Chifusa.

10. The Breast Severing of the Beginning

Chifusa recalls using Breast Flow in a childhood duel with Ouka. As she and Kaede continue their journey, they realize Chifusa must return breasts to others she's affected.

11. The Munamori Village

In Chifusa's ancestral village, she learns her mother's sacrifice to protect the Breast Flow technique. She begins training to master it, only to face an attack by Manyu warriors led by Muneyuki and Ouka.

12. Breast Flowing

Chifusa, Kaede, and allies face Manyu assassins. Chifusa unlocks the Breast Flow by forming a maternal bond and escapes with Hazuki. They regroup with their allies, and Chifusa promises to continue her journey and restore what's been taken.