do you know the title?

so... i just remembered a really fucked up yaoi i read years ago on this site but i can’t remember the name... it was about a guy that commits suicide while praising the devil, and then falls in love (i think??) with a demon (??) that is letting him stay at his residence in the underworld...
oh right! they also eat each other! literally.
actually i’d be worried if someone knew it but you know, curiosity’s a bitch