BEAST Kyōka Izumi/Synopsis

Plot
Kyōka appears behind the assassin's holding her dagger against his neck. She then asks Atsushi if she can kill him, the reaper says there's no need, explaining the boss needs one of them spared to tell their higher-ups that their plans were foiled easily. The assassin recognizes the girl as Kyōka Izumi, a killer of 35 people. Confused on how she is still with the mafia after the rumors of her betrayal, Kyōka replies she did indeed betray the mafia, but came back for the reaper.

As Atsushi and Kyōka walk through the streets, Atsushi suddenly kneels down, wincing in pain with blood dripping down his neck. Revealing a thorned collar around his neck, Kyōka advises Atsushi to take it off, but Atsushi refuses. The Black Lizard comes across them, Atsushi thanks them for guarding the area. Hirotsu tells Atsushi to seek treatment at the base and report to the boss afterwards, going on to explain how they knew about the bombs and had Kyōka take care of them. The two then left.

Kyōka later appears preventing Akutagawa to further enter the Port Mafia base. She summons her ability and introduces herself as Kyōka, a mafia assassin. Akutagawa orders the young girl to step out his way, otherwise he will also kill her. Kyōka responds that it is alright but if he continues, he is going to fight that person. Kyōka picks up her cellphone and orders Demon Snow to kill Akutagawa. Kyōka and Akutagawa engage in a fierce battle. In the middle of their battle, Akutagawa was knocked over by Atsushi's attack. Kyōka reveals her feelings to Atsushi that if she wasn't able to defeat Akutagawa, Atsushi will have to go up against him and one will lose his life. Kyōka apologizes.

Just then, Akutagawa tries again to attack the two of them but Kyōka orders Demon Snow to protect the both of them and defeat Akutagawa. However, Demon Snow doesn't move. Kyōka looks at her phone and sees that its power is off. A member of the agency reveals himself to be holding her phone. Akutagawa and the agency member escape the scene using his ability. After the two manage to escape, it was revealed that they bring Kyōka, unconscious. Kyōka is then used as a hostage by Akutagawa to be able to make Atsushi follow his orders.