Responses
This one maybe ?
* http://www.mangago.zone/read-manga/konya_mo_nemurenai/
That's not it but thank you
Akuma game?
is it koori no mamono no monogatari.. it's only shounen ai though
Yes it was Akuma Game thank you all so much for the help :)
I'm looking for a manga sorry really vague on information but it goes like this: a lonely boy meets a demon and falls in love