[Azu Amatsuki's lesbian debut] Azu came to Tokyo to follow her admired senior, Ena, but she is still unable to meet Ena and is living a lonely life. During her stressful days, she happens to find a prostitute named Mariko who looks a lot like Ena on a website for a brothel for women, and with a faint hope, she requests her. However, once she meets her at a lesbian brothel, she is unable to suppress her long-held feelings and requests her again and again, becoming addicted to the bottomless swamp of pleasure...