The Master of Diabolism Q

The cultivation classes in the Cloud Recesses have started, and Wei Wuxian is as mischievous as ever. From getting in trouble for cheating to tempting the ever-so-cold and stoic Lan Wangji into breaking one of the three thousand strict rules of the Gusu Lan Clan—he's done it all. Although almost everything Wei Wuxian does is against Lan Wangji's principles, an unbreakable bond forms between the two. Source MyAnimeList