The fierce battle between the Female Torture Institute and the head of the Himekawa family continues. Then a new assassin appears. It is Akizuki Kaya, a high-ranking kunoichi who has mastered secret techniques. With a tremendous rage in her heart, she confronts Tsujimaru after her respected Saionji Yuno is tortured. Kaya is violated as if tormented to death. But she endures, never letting out a word of submission. What will be the outcome of this ultimate offensive and defensive battle?