At just 20 years old, Ayasumi makes a dramatic debut in the world of adult entertainment. Determined to find her childhood friend Mai, she immerses herself in lesbian adult services. As suspicions about Ayasumi being a lesbian worker deepen, Nanao decides to book a lesbian service on her own to uncover the truth, inadvertently opening a new door. Where will the relationship between the two, which has begun to drift apart, ultimately lead?