Bitter VirginBitter Virgin.

Bitter Virgin (Japanese: ビター バージン, Hepburn: Bitā Bājin) is a seinen manga presented by Kei Kusunoki and serialized in Young Gangan. Prior to producing this manga, Kusunoki had stopped writing for a period in order to cope with a miscarriage. Bitter Virgin is the story of high school student Daisuke Suwa and his classmate, a girl named Hinako Aikawa, as well as the relationship that develops between them soon after Daisuke discovers a tragic, and very personal, secret that Hinako has been forced to bear on her own.