Read manga: Meshita Mimodaeshi Mune No Uchi

manga
Summary:

Collection of One Shots:Chapter 1:Gen was lying bruised and bloodied on the sidewalk when Kiba found him. The two became friends after that. One day Gen was surprised to find out the girl he was sleeping with was Kiba's ex, but hearing about his friend became an obsession as Gen picked up more and more of Kiba's "leftovers"...Chapter 2: EscalationChapter 3: