I, the History Teacher, the Devil Walking in the World

Summary

Bai Chen travels through the ancient period of parallel worlds.I originally wanted to join the cultivator sect in the novel of the previous life and become a cultivator.However, he unexpectedly awakens the sign-in system of the demon gods that opposes humans.In line with the principle of no waves and no death, Bai Chen silently signed in and became a demon god.Bai Chen, who only wants to develop steadily and live a peaceful life.According to the system task, become the history teacher of Jing'an No. [-] Middle School, and continue to sign in with the same life as a human being.By the way, you can easily solve the monsters that disturb your life.Become a peerless master in the minds of students.until that day.The cracks collapsed, and the demons invaded in a big way.The abyss demon god is invincible and descends into the world.Only then did the students discover that their teacher was actually a demon!