Akumade Taida na Akuyaku Kizoku@COMIC

A second son of a villainous noble, Ryuk is indifferent and unmotivated. Upon discovering a grim fate in his future, he attempts to secure a marriage and study magic to prevent a tragic outcome. His goal is to live a quiet, effortless life, but he becomes entangled in various deceptive schemes. Despite his efforts, he finds the path to a relaxed existence to be challenging. This is a fantasy about a weak prince striving for a life of ease.