could-you-not's Questions (2)

forgot to save the story before exiting, but its about a korean girl who is an introvert and keeps to herself in her university, and she is always second place and competing with her senior, who has the perfect image at university. but she catches him doing something very embarrassing, and turns out he is very paranoid about his rep because he keeps following her around to make sure she doesn’t spread any rumours

looking for a manga where the seme goes to uke's house pretending to be his sister, saying that he accidentally turned into a man.