Tu Mou Bu Gui

Cool ascetic master x Wild villainous apprentice! Mu Qingyi gave his life to save the world, then when he was reincarnated 10 years later, he found that his former obedient disciple had became the world's greatest villain! "Yinli, show some more respect for your master!" "It's precisely because you're my master, so I want to try out these techniques with you..."

(Source: Kuaikan, translated)