So I read One Thousand and One Nights and there was this oneshot in the later chapters where

the god Shiva and this other guy (who was ordered to shoot the meditating god with a love arrow) was reincarnated as highschool/college students after the cupid failed to do his job. As a second chance, cupid guy was supposed to make this other girl fall in love with the reincarnated god, but instead due to some misunderstanding between the cupid and the Shiva kid (he caught him with the girl in an pervy sitch), the cupid accidentally stabs him with the love arrow and the first person shiva sees and he falls in love with is the cupid.

I'm looking for something like that, where there's one guy who's job is to make someone fall in love with this other someone, (be it he was hired by the second someone himself) but ends up with the 2nd someone instead.

I'm looking for sweet and fluffy shounen-ai or Yaoi, really...but shoujo works for now too. Manga or manhwa is both fine.

Thanks!!!