Yukino, a beautiful college student, works part-time at a ramen shop that is extremely empty. The owner of this place is a lazy person who doesn't care about the store at all. Debt is piling up, almost impossible to pay. One time, Yukino wanted to add a new dish she made to the menu, but due to his pride, he thought Yukino was looking down on him, so he forced her to have sex with her to punish her. Yukino wanted him to keep this a secret, but he only agreed on the condition of having sex with his creditor. She agreed but did not know that from then on her life as a sex toy would begin...