Shizuka-chan, a lewd girl who seduces a quiet tutor. When she secretly gives the man love potion and makes him strongly erect, she handjobs him with a little devil smile, saying "What are you getting erect for?". When the relationship between the M man and the S uniform girl is established, she gives the man love potion and makes him masturbate every day. The excited woman enjoyed secretly having sex in the room while feeling her mother.