Ozone Yota

The protagonist of the game and the childhood friend of Rio.

He has long been in love with his childhood friend but has never dared to admit it. Stuck with his feelings, he never had a girlfriend.

Since the previous year, he gave up admitting his feelings because he and Akio, a friend and a senpai, saw her walking with a man in the street and their physical proximity showed that they were perhaps more than friends ...

He is relieved to know that Rio has no boyfriend but extremely disgusted to know that she has become an easy girl. Hearing the past experiences of the being he loves most in the world is depressing him and makes him sick but he is also jealous beeing the only virgin of the two of us.

Despite Rio's huge sexual experience, he tries to steal her a "first time" ...