Adult na Kaihatsu Shitsu
アダルトな開発室
Anthology of six one-shots.
5. Biroudo no Tensoku
Yuuki's boyfriend Eiichi hits him, leeches off of him, and even whores him out to some of the worst people. However, Yuuki still says that he loves Eiichi and refuses to leave him no matter what the costs. It makes him wonder who is bond to who...?