[HSODA-122] A Girl Discovered at a Hot Spring Inn! Why not try a flat face in the men's bath with just a towel?

A girl she found at a hot spring inn takes on a slim-skinned challenge in the men's bath with just a towel, aiming for a big prize! She boldly pretends to be a man, showing no sign of hiding her chest! Charging into the men's bath with her flat breasts exposed!! Complete various missions without being found out to win prize money! Naturally, the highly difficult, erotic missions also increase the amount of money!! I wonder if I can talk to a male customer without getting caught!? Secretly giving a so other male customers don't notice! Secret fellatio!? Challenging the highest difficulty of flat-chested sex, but... Got caught!? The excited male customers also get the petite young lady thrilled!? And then, with everyone putting their bodies on the line, they get along and have sexy, successfully collecting a huge amount of sperm, and win a huge prize!?