Hane, a female college student who loves her mother who raised her more than anyone else. - Such a mother suddenly said that she wanted to remarry ... The man my mother brought home was very kind. Hane, who was withdrawn and not positive about the idea of remarriage, changed her mind when she saw her mother's happy expression. However, the man, Yasushi Tamura, was a rare rod master and a bad man. A man who brainwashes his mother with SEX and sweet words smeared on the with an aphrodisiac. - And when her mother's training was over, she pointed her poisonous fangs at Hane!