As Chiaki's interest in Hana grows beyond her bountiful chest, their relationship attracts the attention of Akira, Chiaki's cousin and mentor in all things bosomrelated. But while Akira professes to be a true boobmaster, her dirty secret is that she's a breast virgin who's never touched a pair other than her own As she desperately seeks to discover how her student managed what she could not, Chiaki tries to keep her rival aficionado from coming into...