After her father's murder, Mion transforms into a cold and ruthless secret detective, willing to use any means necessary for revenge. Partnered with Yuki, she relentlessly targets enemy organizations for destruction. However, Yuki harbors romantic feelings for Mion and tries to convince her to abandon dangerous missions. Defiant and rejecting his pleas, Mion dissolves their partnership and infiltrates the enemy organization alone. Captured by the brutal group, she is driven to the brink of despair. Enduring relentless humiliation that makes sweat pour from every inch of her body, she is gang-raped and drenched in thick, white semen, all while despising her own helplessness. A shocking narrative unfolds as her torment and burning desire for vengeance collide.