College student Kana's room has recently had a broken air conditioner, and she spends every summer night struggling to sleep with the window open. During the day, she often forgets to lock the window, and her mother frequently scolds her about it. One evening, a figure enters through the window. While studying and sleeping soundly, Kana's lower half is licked all over, and the man soaks her sweaty vagina with his saliva before making her climax and leaving before she wakes up. Unaware, Kana goes about her daily life, but every time she falls asleep, her entire body is molested, fingers are inserted into her vagina, and her deepest parts are pistoned by a penis…
