A living hell for an undercover investigator caught in a trap! For generations, women have been the head of the family. Like praying mantises, they use males only for fertilization, and then dispose of them. Therefore, the Daitoro family, a crazy female lineage whose sadistic lesbian temperament has been amplified to the limit. The head of the family, Hana, who owns a huge amount of assets and lives an elegant life, and her beloved daughter, Misato. The next prey to the distorted libido that has been handed down in the bloodline for a long time is a female investigator who infiltrated alone to arrest the two!