Tsukasa, a college student, is rescued from an attack by a devil, one of many vampires that can blend in among the human population.
As Anzai continues to keep guard over Tsukasa, the two quickly forge a tentative bond—one that Anzai fears will test his iron-clad rule of never drinking human blood…
The Devils’ Line TV anime is directed by Yoshinobu Tokumoto and Hideaki Nakano and features animation by Platinum Vision.