One day, Mai, a diligent and brave high school girl, is invited to the house of Reiko, a married woman who lives nearby. Mai's consciousness becomes hazy due to an aphrodisiac that was added to her tea, and Reiko, who is aggressive, steals her lips. Her pure white skin is wet with saliva, and her erect nipples are licked and pinched, causing her to climax many times. Mai goes home and goes to bed, but she can't forget what happened that day, so much so that she plays with her soaking wet pussy. She goes to Reiko's house again, but this time she is prescribed a stimulating cream...