Manbara, the boss of an all-female crime syndicate, learns that her underling, Sirene, has been killed, and sets a trap by swearing revenge against the Galactic Special Investigation Daytona Rangers, Daytona Yellow and Nanami Yamabuki, who defeated Sirene. Manbara, who is a lesbian and takes pleasure in torturing a straight man, tortures Nanami who is caught in a trap. And he tells her that if she becomes one of her subordinates, she will forgive him. Nanami refuses to accept the proposal despite her suffering, but in order to make her suffer even more, Manbara bites her crotch with a snake's hand and injects poison into her, turning her into a futanari. What is the fate of Daytona Yellow, who suffers from agony and pain that she has never tasted before? ? [BAD END]