Tsukasa thought she knew everything about Akimura. She's unsuspectedly rescued from half-devil, Anzai, who works with the police force specializing in devil-related crime.

Anzai takes refuge with Tsukasa after being suspended. Meanwhile, the authorities are on the lookout for a missing murder suspect.

Devils throughout Kanto Region are transforming after witnessing a slasher attack broadcasted on live TV. Tsukasa suggests a new method to extend Anzai's lifespan.

After being involved in a risky situation, Tsukasa asks Anzai if they are dating. Will Anzai be able to control his bloodlust in a relationship with her?

Anzai's ability to control his transformation is severely tested as he is confronted by a person from his past seeking revenge.

Tsukasa is willing to risk everything to rescue Anzai. Anzai learns about his past as he recovers from his injuries.

Special episode, bundled with the limited edition of the manga' 12th compiled volume.