Since childhood, she had been shy around strangers and lived a life with little presence, 'Kana'. Introduced by her parents to her husband, she married him and had mechanical sex for the purpose of having children, never experiencing an orgasm. She felt a vague loneliness about her uneventful life when one day, she was invited to a drinking party within her department and ended up having a relationship with a male colleague… The pleasure and guilty feelings she had never experienced before—. Since that day, Kana couldn't forget the sensation of something hot being poured into her womb...
