Reiko Kobayakawa's explosive body is stimulated by a custom-developed Big Bang Rotor with 86 times the voltage, intensifying pleasure to the extreme! The moment the remote control switch is turned on, overwhelming ecstasy shatters her hips, making her lose control and involuntarily pee. Whether on the streets, inside a bus, or shopping at a convenience store—wherever she is, the switch can be flipped at any time! Reiko's expression, trembling between pleasure and humiliation, further fuels sadistic desires. Each time, her intense sadistic feelings surge higher, creating an experience so addictive it feels like obsession.