One day, Ryo, a freelance writer, is asked to write an article for a "Yuri special feature." Completely straight and knowing almost nothing about "lesbians,"Ryo consults with his best friend Nagisa, who has come out as a lesbian, and asks to interview Riku, a university student with whom Nagisa had a relationship in the past. During the interview, Ryo witnesses the sex of Misato and Riku, a married married woman who works at a lesbian brothel, and gradually becomes drawn into the lesbian world... The minds and bodies of women intertwined in complex ways. From lesbian training to sweet lovers' sex, it's a never-ending time of pleasure between women!!