Ryoka Shibata, 46 years old, mother of one. Twenty years ago, she broke up with a man with whom she had incredible physical chemistry, but whose future seemed uncertain. She then married a civil servant, settling for a stable life despite mediocre sex. Though she achieved security, she's always wondered if she made the right choice. Perhaps, had she taken a different path, she could have become a lustful woman climaxing every night. Wanting to experience that alternate version of herself, even if just for a moment, she decided to participate. This beautiful housewife from Akita, raised on a farm with a natural, organic body, returns after 20 years seeking ecstasy once more.