Female student Moeka Takashiro aka Bishoujo Kamen Fontaine has been fighting against the secret society Dark Knights, who are the source of the evil that is spreading in the city. At one point, Fontaine fights the phantom of the Dark Knights while pursuing the disappearance of a series of beautiful women. He defeats the phantom but is captured by the Dark Knights. There, Fontaine is put up for sale as a product at the auction of the "Honey Hunting Club" operated by the Dark Knights. Fontaine exposes her foolery in front of the auction shooting. - Humiliated by executives and unscrupulous politicians, Fontaine, who was strong, finally goes crazy to acme hell and surrenders herself to pleasure and falls. ［BAD END］