Saezuru Tori wa Habatakanai
Ongoing | yoneda kou | 2011 released
Kishidou Club Bangaihen
Complete | NISHIMURA Shuuko | 2000 released
This one can be intense. Be ready for a later slave relationship that is a little... yeah, intense. Can't think of a better word for it. It can be pretty hot and there's an actually decent story behind the smut and possession. I actually think I watched it or read it a long time ago but I can't remember.
SM Gokko