Gantz TPB Volume 20

"Life is confusing for Kei. Once an unexpected alien-hunting hero, a strange turn of events finds him back in his old life, having no memories of his warrior days. Hunted by a band of vampires, Kei survives by his wits alone, trying to stave off his third death. Will his long-lost brother come to his aid, or the warrior friends he can no longer remember? "