Kaori, who was to teach English to Sato, a junior colleague of her husband, gets aroused when she sees her panties and breasts, and after teasing him, she makes him cum with a handjob. Tanaka, who heard the story from Sato, also visits the Nishio house with lewd expectations, under the pretext of teaching him English. However, he can't concentrate on his studies because he can't stop daydreaming about sex... Seeing Tanaka like that, Kaori realizes that he has high expectations of her and begins her obscene English lesson.