Matsuno Ryo, who has gained attention as a genuine lesbian, makes a shocking debut in her first AV appearance. To confirm whether she is truly a lesbian, she decides to observe a man's erect penis for the first time and engages in blowjob, kissing, mutual masturbation, and even touching semen. Having never experienced a man's body before, she undergoes the loss of her virginity through actual intercourse. As she sheds tears from the intense pain of penetration, her innocent, untouched body gradually transforms into that of a mature woman. This work portrays her inner conflict and the pride she holds as a lesbian, creating a deeply compelling and shocking narrative. The film ultimately reveals whether she can truly accept a man—discover the answer within this powerful release.