Detective Asahara Rie and her assistant Hikage Susumu are chasing Dokuro Empire, a malicious criminal organization that suddenly appeared in peaceful Japan. However, while tracking Baron Kame, a high-ranking member of Dokuro Empire, they fall into a malicious trap, come into contact with high-voltage wires, and suffer severe injuries. Fortunately, they survive—but an unforeseen event occurs. Fueled by their strong willpower, rage against criminals, and fierce determination to live, their shadows are granted life, giving birth to two new warriors: Shadow Girl and Shadow Man. As the duo closes in on Dokuro Empire, Baron Kame discovers their fatal weakness. Meanwhile, Asahara Rie and Hikage Susumu pursue Dokuro Empire's villains into an abandoned building. Dokuro Empire's leader, Demon General, captures Shadow Girl and exploits a humiliating method to uncover the secret of her shadow clone technique: whenever Shadow Girl experiences lewd sensations, demonic electric currents surge through Asahara Rie's body. "Electric shocks don't work on me!" Rie defiantly claims, yet she grows anxious upon noticing the shameful wet spot on Shadow Girl's panties, seeping from her most intimate area. But it gets worse—Demon General deploys Dokuro Empire's legendary torture device, the "Electric Thunder Weight." It is a tormenting instrument beyond Shadow Girl's worst nightmares. As her body and mind are utterly broken, what thoughts arise in Shadow Girl toward her partner, Shadow Man? Will this female shadow warrior continue to be ruthlessly violated without resistance?