SDDE-533 A preparatory school dominated by hypnotic rays. A humiliating and shameful SP that brings those with high deviation scores to the bottom.

The third installment of the ray series! - The stage this time is a preparatory school where examinees gather! - The main character, Tsubasa, has excellent grades and is in the top class at her prep school. - He met his girlfriend, Aoi (a virgin), at cram school three months ago and started dating. - Horita, a ronin student with bad grades, comes to know about the power of seduction by Yamada, a janitor at a cram school. - Yamada and Hotta use the power of the rays to push Tsubasa, Aoi, and prep school students Fumi and Nami Ikeda into the abyss...