JBD-266 — A Battle Of Sexual Experiments On Human Bodies: Rui Hizuki, A Test Subject Who Fell Into Three-Hole Pleasure T**

Ichijo is scientifically analyzing female orgasms and developing a new type of aphrodisiac. Doyama is a psychologist and true sadist who continues to pursue the relationship between pain and pleasure. An inhumane human experiment battle unfolds between these two men with irreconcilable theories!