Emi, an office worker who is exhausted from work, meets a runaway girl, Rika, standing Rika with nowhere to go, on her way home from work. Rika Rika, "I'll do anything if you let me stay," and Emi, who is naturally caring, is worried about her and decides to take her into her house. However, when she takes her home, Rika accidentally finds out that she is a lesbian... "You can do whatever you want with my body as a thank you for letting me stay?" Emi loses her reason to Rika's sweet temptations, even though she knows it's wrong, and she becomes obsessed with her beautiful body...