Now the Crimson Flame burns once again!! Sei Hijiri, a member of the special organized crime task force "BLOOD", suspects that the Kito Group is selling the dangerous drug "V2" on the black market, and raids the home of the executive. Using her skills as a former dominatrix, she sexually tortures him. There, she finds out the name of Yagami Medical Science, but behind the scenes, the Female Torture Research Institute is waiting to lure Ayaka to the execution platform...