Hazure Skill: the Guild Member with a Worthless Skill Is Actually a Legendary Assassin, Vol. 2 (manga)

In pursuit of a "normal" life, Roland has given up the assassin life and settled into his new role as a guild employee. But thanks to his unique set of skills, he's already made quite a name for himself. He's even got a new home, where he spends his days off with his demon lord companion Rila, but when he finds a slave girl alone in a back alley and decides to bring her home, they become a family of three! Will these unlikely roommates be able to get along?