Uso Kareshi Demo Ii Kara Tonikaku Shitai Mashiro-chan

A high school girl named Mashiro Naomoto is eager to experience romance and possibly more. Lacking confidence, she believes no one could ever like her. Unexpectedly, a handsome boy named Oosagi-kun confesses to her. Though Mashiro suspects his interest stems from some kind of punishment game, her own desires lead her to take initiative. The story follows her as she pursues a relationship with him, despite her doubts.