Aya continues to work after her marriage to make ends meet. However, in the store where she works, she is often grabbed by the store manager. After becoming the manager's sex slave, she is assigned many customers. Unconsciously, she began to feel pleasure from this violent sexual behavior that she could not refuse. One day, the son of a wealthy landowner makes an offer in exchange for an investment in the store. Aya follows the store manager's instructions and goes to a suspicious building. What awaits her there...?