In the dark age of a totalitarian state, the people suffered for years under oppression. Amidst the despair emerged a revolutionary, Narita, who ignited the flame of hope and rose up to carve a path toward freedom. However, his actions drew fierce opposition from the dictator, putting his life in grave danger. The one who saved him from this crisis was a mysterious beautiful girl secretly supporting Narita behind the king's back. Defying royal orders, she became a female ninja and fought fiercely to protect him. Ikumi, serving as a lieutenant, stumbles upon a mysterious site called 'X', where horrifying experiments are conducted—raising the dead as soldiers. To assassinate Narita, the king devises a trap for Ikumi. In the midst of a fierce battle, she loses her sword and falls into the trap, left helpless. The king unleashes his experimental zombie soldiers to torture her. The zombies spew zombie essence from their mouths and attack Ikumi. Drenched and slimed, she writhes in agony. She is forced to swallow the zombies' semen and even urinated on. And then…!?