23-year-old office worker Tsugumi, residing in Chiba Prefecture, has been so caught up in her busy daily life that her chances of meeting men have diminished, leaving her anxious about romance. Determined to change her life, she decided to take part in this production. She describes herself as a mature woman with a certain tolerance for eroticism and admits to enjoying masturbation at home. During the filming of her first time losing her virginity, unexpected bleeding occurred. Yet, overcoming this challenge, she successfully lost her virginity. We deliver this moment in full detail as a real, authentic documentary.