For his useless son (Takeo) who has failed the entrance exam twice, his father hires a highly skilled private tutor (Sachie) in the hope that this year will be the year. However, Takeo is not used to women, so just being with Yukie makes Takeo's heart race and he is unable to concentrate on his studies. After hearing the story from Takeo, Yukie offers to use her own body to teach him about women... "If it's just to touch her breasts..." Yukie says, but Takeo becomes excited after touching her breasts and can't stop...