Yuka and Aya have been best friends for a long time. However, Yuka is a lesbian and has always had feelings for Aya, so she has drawn a line between them and accepted their status as best friends... Then, one day, Aya tells Yuka that she is going to work at a lesbian brothel. She is starting the job to support her abusive husband who doesn't even work... Yuka is going crazy with jealousy and hatred for her husband, but she pretends to be calm. Then, Yuka finds the lesbian brothel where Aya works and appears in front of Aya as a customer...