Sent to Earth to protect her homeland of Sphirna, Crescent Knights Kei confronts the enemy general Schwalm in a fierce battle. However, Schwalm engages her in close combat, gradually overwhelming Kei and forcing the Crescent Knights into a disadvantage. She is brutally punched, kicked, stomped on, her face covered in blood and bruises. Captured and imprisoned in their hideout, she suffers further assaults and degrading humiliation. Enduring unbearable pain, she sheds bitter tears of despair. Ultimately brainwashed, she transforms into a murderous fiend who seduces and attacks human men.