Responses
Actually there's many of it
http://www.mangago.zone/read-manga/welcome_to_the_caf_of_love/?OAmP
http://www.mangago.zone/read-manga/ayashi_no_hakoniwa_ni_ukabu_tsuki/
http://www.mangago.zone/read-manga/tabetemo_oishiku_arimasen/
http://www.mangago.zone/read-manga/love_in_the_underworld/
Or you can search on this http://www.mangago.zone/tag/
Do you guys know a yaoi where the mc lover is a devil