After being betrayed by the notorious Glory Club syndicate, retired legendary assassin Peter miraculously de-ages into his teenage body. Now restored to his physical peak, he embarks on a relentless quest to settle the score.

Peter spent his life as the ultimate weapon for the Glory Club before retiring to run a quiet bookstore. When his former employers turn on him, a strange phenomenon restores his youth, granting the seasoned killer a second chance at his physical prime.

The Killer Peter manga delivers high-stakes martial arts choreography alongside dark humor. Peter must navigate modern teenage life while systematically dismantling the powerful criminal underworld that once controlled him.

An old assassin de-ages to his physical prime to wage war against his former crime syndicate in the action-packed Killer Peter manga.

Killer Peter, Glory Club, Peter, Kim Junghyun, Lim Lina, de-aged assassin, action manhwa, comedy drama, webtoon, read Killer Peter online