As anticipation builds for the upcoming Sakamoto Days anime adaptation, many fans are searching for similar stories that capture the thrill of retired assassins pulled back into violent worlds. One manhwa that has gained attention among readers is Killer Peter, a webtoon that blends intense action with a darker take on the hitman genre.

While the premise of former killers attempting to live quieter lives is familiar, Killer Peter approaches the concept with its own distinctive style and tone. The series introduces Peter, an aging assassin facing terminal cancer, whose life takes a dramatic turn that places him back at the center of deadly conflicts.

A Familiar Premise With a Fresh Direction

Stories about retired assassins returning to action have become a popular narrative framework in modern action fiction. Works such as Sakamoto Days and films like John Wick share this core idea, exploring characters who try to leave violence behind but are inevitably drawn back into it.

Killer Peter builds on this concept but introduces its own twist by focusing on an older protagonist confronting mortality while navigating the brutal world he once dominated.

The narrative gains momentum when Peter finds himself confronting a dangerous organization known as the Glory Club, forcing him to reawaken his lethal instincts.

A Darker Protagonist and Tone

Unlike the comedic tone that often defines Sakamoto Days, Killer Peter leans into a more serious atmosphere. Peter is portrayed as a hardened professional whose experience and intelligence make him a formidable opponent even against younger enemies.