sounds wild, sorry i can't help
http://www.mangago.zone/read-manga/kami_tori_yawa/
The couple from Ch 4 is probably what you're looking for — the uke is a hero that can only use his powers if he has sex!
http://www.mangago.zone/read-manga/kami_tori_yawa/
The couple from Ch 4 is probably what you're looking for — the uke is a hero that can only use his powers if he has sex!ヾ(☆▽☆)ヾ(☆▽☆)
That's the one THANK YOU.
I'm looking for a yaoi manga I don't remember much but I know it was about a boy trying to find someone to sleep with him so he could save the world from some kind of evil that turned people into monsters PLZ Someone HELP ME.