The placebo effect is a suggestive effect that comes with the administration of a drug. The target is Hikari Matsushita, an actress with beautiful breasts. She is given a drug (or is it really just a candy?) that is said to increase her sensitivity, and becomes intoxicated by the actor's fingering and the trance music. In the end, she even squirts on her own... Hikari is completely Hikari on and turns into a sex machine, but in the end, she learns a shocking truth...