: As Anzai goes out of control, a new character— Hans Lee , a white-haired half-devil—intervenes. Unlike Anzai, Hans has developed a tolerance by consuming small amounts of blood regularly, allowing him to maintain his sanity while in a transformed state.

: Amidst the chaos, the anti-devil sniper Zero Seven (Nanako Tenjo) attempts to kill both Anzai and Hans. Tsukasa puts herself in direct danger by trying to shield Anzai from the sniper's line of fire, showcasing her growing, albeit reckless, dedication to him. Devils Line Episode 4

The episode picks up with the aftermath of Anzai consuming human blood. While intended to heal his wounds, the blood triggers a violent frenzy because Anzai, as a hybrid with no built-in tolerance for human blood, cannot control the resulting narcotics-like high. : As Anzai goes out of control, a