For the Sake of World Peace, I Have to Become the Devil!

After experiencing an accident, Yechen traveled through time! In order to go home and find his missing sister, Ye Chen resolutely activated the system, and from then on he became the great demon king who frightened the world of immortality! "Fairies of Yuexia Palace, it's time for you to pay protection fees, right?" "Old fellows from the Heavenly Temple, I don't know why I suddenly feel displeased with you. You must be in trouble!" … This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.