Hiyori is embarrassed of her tiny boobs & has been avoiding sex with her boyfriend causing him to be extremely horny.

Even cynics fall in love... don't they?

An original comic in a span of 24 pages including cover, that depicts a story of a secret relationship between a female teacher and her student. (Source: DLsite)

Included in Hajirai Otoko no Ko

A capable woman gives a hotshot guy the relaxation of a lifetime! ♥ (Source: FAKKU)

Ah, sweet revenge... Her brother, Shigeto, always tormented her about her flat chest. But then she suddenly, as if through magic, blossomed -- big time! Now she tortures him with t-shirts and jiggling around...