Level-C

Mizuki Shinohara is a beautiful male model still in high school. Kazuomi Honjou, a salaryman, sees Mizuki in the crowd one night after leaving a bar. He pulls Mizuki aside, and after getting told off by the boy, becomes infatuated with him. Kazuomi can't get Mizuki out of his mind and can't wait to get him in his bed.

Note: Started out as doujinshi by Kurenai Mitsuba and Aoi Futaba. Popularity led to an official publication.