DXHaseoXD
Oh same setting as "Is It Tough Being A Friend?"
I dont remember the title but i once read with this kind of same setting, is the one that you mention have OP MC because i remember that the MC in fact kind of devil or last boss
Why do i have a feeling this is inspired from that side-character dude who aids the 'dragon protag' when the dragon protag is a girl all along-
Wait....HES GAY?!?!?!!!??????