I Don't Want to Die, So I'm Going to Raise a Hero

A university student named Osaka Nao reincarnates as the villainous young master Lian in a game. He is tasked with raising the future hero Alfred into a capable man and making him fulfill his mission to save the world.

Despite Lian’s efforts to be disliked, it has no effect… In fact, Alfred seems to like him…!? While Lian grows increasingly anxious, Alfred keeps getting closer and closer…!? “Hey, is it okay if I touch you more?”

(Source: Libre, translated)