Kizumonogatari Part 1: Tekketsu

One fateful day, Koyomi Araragi encounters the terrifying vampire Kiss-shot Acerola-orion Heart-under-blade, also known as the King of Apparitions. He saves the mortally wounded Kiss-shot by offering his own blood, paying the ultimate price as a human. Now Koyomi must confront vampire hunters who have torn Kiss-shot's limbs away, embarking on a perilous mission to recover them.