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.
Why would you do something 
so horrible, Sister?
Wieso tut ihr so etwas Schändliches?
¿Por qué haces algo tan cruel?
¡Kagefusa!
¿Por qué haces algo tan cruel?
¡Kagefusa!
Pourquoi perpétrer ces atrocités ?
Por que você faria algo
tão horrível, ane-ue?
Сестра, зачем ты делаешь
такие ужасные вещи?