JBD-266 Battle of Human Experimentation in the Abyss of Lust: The Subject Who Fell into the Torture of Pleasure from Three Orifices, Rui Himetsuki

Ichijo scientifically analyzes female orgasms to advance the development of a new type of aphrodisiac. Touyama, a psychologist and true sadist, relentlessly pursues the relationship between pain and pleasure. The battle of inhumane human experiments unfolds between the two with their incompatible claims!