Anna Oguri gets caught in a human experiment conducted by her teacher who created a powerful aphrodisiac. Tricked through cunning methods in the classroom, she is forcibly made to ingest the drug. As a result, her body becomes completely immobilized, her consciousness blurred yet her sensitivity heightens. Bound to a sofa, she is made to consume more of the drug, which is also applied directly to her genital area. With her mind hazy, her senses grow sharper and pleasure builds uncontrollably. She is tormented by multiple vibrators, reaching consecutive orgasms. An electric vibrator stimulates deep inside her vagina, intensifying her pleasure further. Her pussy is pried open with a speculum, internally agitated with a vibrator, and forced ● piss drinking occurs. Finally, repeated creampie fucks are performed.