Hentai is based on the eponymous video game. This hentai unusual panache and it is not casual, after all, engaged in design, Hayakawa Naomi, which is more known for her yaoi works. The effect of the hentai takes place in Tokyo four years later, after our main characters broke up. They loved each other, but each had his own way. Years later, their feelings remained the same and making love with another partners they remember each other...