Nidome no Yuusha wa Fukushuu no Michi wo Warai Ayumu

Summoned to a fantasy world as a hero, Kaito Utage defeats the Demon Lord alongside a band of noble adventurers…only to be double-crossed and brutally murdered by his former allies! But when a twist of fate gives him a second chance at life with all his memories intact, he sets off on a quest to slaughter his traitorous party members one by one. “Come... let vengeance commence!” (Source: Yen Press)