Now, this pure girl will join his party but to the outside view, she is a gold digger or level digger who will join him for his unique ability and she won't even realize it.
No, no: Imagine the girl hearing "IT'S OVEEERRRRR!" and then keeping a straight face when he turns around, strikes a doofy-ass pose and announces (quietly) "It's over, Rei" with his very next breath. I'd die.