The daughter of a female high school student who is subjected to sexual training from her mother's common-law husband in order to protect her mother and her own life. At first, she reluctantly accepts the various perverted plays that are forced upon her to avoid making her mother sad, but once her immature body experiences an intense ecstasy that she has never felt before, she can no longer return to normal. She is completely turned into a pleasure slave by the excessively harsh training play. A shockingly cute high school girl turns into a masturbation object for middle-aged men in a three-part video!