YUUSHA GOROSHI NO MOTO ANSATSUSHA. - MUSHOKU NO OSSAN KARA HAJIMARU SECOND LIFE

Juu is a man who was abandoned by his parents when he was young and has been killing people for over 30 years in an assassin organization. With the reward of being able to quit his assassination career, his final mission was to assassinate a hero. The second life of a rusty, middle-aged man whose only talent is assassination and who seizes "freedom" begins! !