, also known by its English title .

In the mystifying world of ".Gakuen.Saimin.Reido.", viewers are transported to a realm where the boundaries between reality and dreams are blurred. This series, which made its debut with episodes 01 and 02 in its RAW form, invites audiences into the enigmatic halls of a school (gakuen) where the science of sleep induction (saimin) and an unspecified method or technology (reido) play pivotal roles.

Gakuen Saimin Reido is an adult OVA series based on a visual novel, focusing on a protagonist who uses hypnosis to control characters within a school setting. Episodes 01-02, often found in "-RAW-" (unsubtitled) format, introduce this premise and depict the expansion of the protagonist's influence over various female characters.

Across the first two episodes, Satō uses this device to exact revenge on those who bullied him and to satisfy his personal desires. His primary targets include: