Immortal Regis

Immortal Regis (불멸의 레지스) is a manhwa series by JYU Deo with illustrations by Juder. It was serialized in Daiwon.

Plot
One day, suddenly... a night where the moon shines like never before, a boy meets the otherworldly Serin, a denizen of Chaos, only to die and become the undead. Now immortal, he can no longer exist with humans due to an ancient law... A tale of revelations that begins as he returns to Chaos, the start of a new adventure!