So another manga where her just telling him she was the girl would make this way more happy and nice. If I was in his position and she eventually told me I would never trust her again. Like, you lied about who you are and made me sexually uncomfortable (to a point of sexual assault) for what? Laughs? Just say you're the girl from back then and he would be dicking you down as we speak, completely willingly of his own voilition.
I can appreciate the MCs love of danger.