Momo-chan, a student with a debt of 3 million yen, can't get over her spending habits and can't give up on them. She can't pay them off with just a regular part-time job, so she decides to try her best to pay them off by signing up for an underground dating club! This time, she's bought by two sadistic guys and tries her hand at threesomes for the first time! Her throat and pussy are both messed up, but she'll do her best at work next time!