After Returning to the Demon World, the Cheap Traitor Finally Went Crazy

(Double male protagonists) Shen Yanqing was originally an ancient demon and the younger brother of the Demon Emperor, but he suddenly traveled to modern times. After living for ten years now, I cursed God because I had cancer, so I was struck by lightning and died and went back to the original world. The good news is that this time his identity is the junior brother of the leader of the Litian Sect, a big boss in the Nascent Soul stage! The bad news is, the original owner is a bad guy! Abuse the apprentice! So after suffering retribution, he still returned to the Qi refining stage from Yuanying! But the apprentice who has been bullied has cultivated to the Nascent Soul realm during the twenty years when the original master was in a coma! And the worst news is that he is about to face revenge from the Nascent Soul stage boss! In order to survive, Shen Yanqing finally returned to the demon body! Stay away from the cheap apprentice who always wants to kill him! But can he really get rid of that cheap traitor?