Devils' Line Vol. 2 (manga)

Anzai, suffering badly after a run-in with a sniper, is rescued at thelast minute by a mysterious blond devil who gives him enough human blood to heal his wounds. Embarrassed by the way he lost control after tasting human blood, Anzai hides himself away from everyone, especially Tsukasa, until an incident unfolds live on broadcast TV which shines a glaring light on the devils who walk among the populace of Japan