Yui-chan, 20 years old, is a member of an underground idol group that performs in a small live house with a capacity of about 30 people. She is a poor girl who is somehow managing to maintain her idol activities by working part-time. When she was talking to a big customer who always takes her Instax photos and buys a lot of merchandise, saying that this month is really crazy, he invited her to come to his room today, and she came to his room for money... [Unreleased footage has been added to the amateur floor product number uinac027 and is being distributed.]