Seraph of the End, Vol. 3: Vampire Reign

Yuichiro survives the trial to acquire Cursed Gear€"demon-possessed weaponry that is humanity€s only hope for combating the vampire scourge. But times are dangerous, and instead of getting to celebrate his newfound power, Yuichiro and his friends are given their first mission: head to Shinjuku and investigate vampire activity. Unbeknownst to Yuichiro, Mika, his best friend and now a vampire, is headed for the same place.