I Work as a Hero Undercover

[Hunter/Regression/Beautiful MC/Obsessive & Sweet ML/Hidden Power MC] In the past, Ahin was the worst villain. He died betraying his villain organization, but regresses. Ahin tries to escape the deeply resentful organization, but ends up being tasked with infiltrating the hero faction, unlike his past. Before he can even infiltrate, he encounters Seon Yi-gyeol, the Rank 1 hero. Remembering their past animosity, Ahin even changes his name to avoid him. However, as soon as Ahin goes undercover, he ends up on the dungeon raid team with Yi-gyeol. What's more, Yi-gyeol voluntarily sticks to Ahin... "Why do you keep sticking to me? What are you up to? Are you interested in me?" "Was it that ob...