Adult PC Game: The perfect student council president's secret fetish - I'm going to make this unobtainable flower bloom into a Masochist by Appetite Archive

Overview:
Kadomata Hiromu is an inconspicuous student without redeeming qualities, except that he is really into S&M.
one day he muster his courage and confesses to the school idol, Sorayume Sae.
To Hiromu surprise, Sae agrees to going out with him.
After a visit to a hotel, Hiromu learns Sae has the potential to become the M-Girl of his dreams.

The perfect student council president's secret fetish - I'm going to make this unobtainable flower bloom into a Masochist by Appetite Gameplay Preview