From href='http://www.mangaupdates.com/groups.html?id=86' onclick="window.open(this.href, '_blank'); return false;">Omanga:

A coming-of-age story from Jiro Matsumoto (the author of Freesia) about a young, aspiring photographer named Soma. He's going nowhere, stuck in a mire of sex and drugs, until a horrible end to a one night stand sets him on a path that changes his life forever.

WARNING: Mature content. Do not be surprised if you come across disturbing imagery.