Miyuki and her boyfriend were living happily together, having started cohabiting with marriage in mind. One day, a hypnotist named Kyo moved in next door, and their happiness began to crumble. Every day, the moans of Miyuki and her boyfriend could be heard through the thin walls. Kyo took a liking to Miyuki, placed her under hypnosis, and forced her to perform irrumatio whenever her boyfriend was away.