Immortal Days

Mankind has discovered the secret to immortality. As humans can no longer die, violence abounds. Living among the immortals is Myeol. Careful and conscientious, he's a street-smart fighter who's trained himself to survive. Why? Because he's mortal; a mutant. Upon meeting Phill, a money-grubbing "Troubleshooter" short on morals, Myeol is thrown into a life full of guns, bombs and death cults. But Myeol and Phill have more in common than meets the eye...

(Source: Lezhin Entertainment)

Immortal Days is originally a webtoon series that has been published in book format by Lezhin Entertainment (레진엔터테인먼트) since March 1, 2021. The series has been published digitally in English by Lezhin Entertainment, Copin Communications, and Manta.