Lin Xiu accidentally traveled through time and became the apprentice of the most powerful and oldest evil master in the world. Master Xuanyin, the founder of the demon sect, the master, the second master is an immortal and wise witch who is invincible, and the younger master is a luck-destroying Gu Master, with a terrifying physique that brings misfortune... With the good person card system, how can he prevent being trained by these demon masters? Grand master Nangong Wan: "The future of the demon sect belongs to our disciple, and in order to make him a qualified successor, I will use all my strength. No matter what you do!" Second Master Su Qiao'er said: "I am invincible in this life, and there is nothing I can't do to cure this evil disciple." Third Master Xiang Ling: "I don't mind what my disciple does, as long as he is happy."... There is also a senior sister Su Ling'er who likes to act as a master: "Remember, I am your senior sister and master, you have to listen to me."