Hazure Skill: The Guild Member With A Worthless Skill Is Actually A Legendary Assassin manga volume 1 features story by Kennoji with art by KWKM and Fuh Araki.

With a worthless skill, Roland managed to kill the most powerful demon lord that's ever lived. While he could have all the riches in the world, all Roland really wants now is a normal life. Such an unremarkable existence may not come easy to someone so exceptional, however...