Our protagonist Ryuuzou has loved big bellies ever since childhood.
One day, he meets Mr. Onaka, his mother's (future) husband, only to discover that every single member of the Onaka family possesses a magnificent, large belly.
However, if he were to suddenly reach out and touch one, it'd be considered sexual harassment—a social death sentence! Yet, he simply *must* touch those big bellies swaying right there before his eyes!
Thus begin Ryuuzou's days of agonizing internal conflict...
[Translated from
Novelgame]