There is a dark website where high school students secretly film sexual videos (bathing, masturbating, and even sexual intercourse) of adults they know (teachers and parents) in order to earn some extra money, and then buy the videos for a high price. The despicable students also extend their evil hands to the visiting female tutors (current female university students). The tea served to them is laced with aphrodisiacs and diuretics, and just as the drugs start to take effect, adult toys appear at the perfect time, causing their suppressed sexual desires to explode, and the devil's hand reaches out to their genitals. The tutors are secretly filmed, and the video is used to blackmail them, and in the end, they are forced to masturbate in a humiliating manner in front of the students as a hush money payment. The aphrodisiac that they were given beforehand does not wear off, and despite their resistance, their bodies are sensitive to the sensation of orgasm.