Read manga: Exclusively Sick Beautiful Master

manga
Summary:

Chi Yunqing found an adorable young demon and, despite being typically cold and stern, softened his heart and took the demon as his direct apprentice. To ensure the demon wouldn't turn mischievous, the usually frosty immortal instructed his apprentices to present a 'good cub' each time. A decade later, observing the clingy and stubborn apprentice before him, he blinked and felt that something was wrong: Why did he raise a troublemaker wolf cub instead of the obedient one he intended?"+