Elite agent Tsukasa obtains information about the Black Lion Society and infiltrates alone, only to discover that everything was a trap. Restrained and unable to move, she is molested, humiliated, violated, and dosed with the same illegal drug she had been investigating. She fights desperately against wave after wave of pleasure, but the forced orgasms never stop and her consciousness begins to fade. What will become of the tough, highly skilled investigator's body and mind?