Xi Sumian traveled through time and became the world's top psychological expert in the 23rd century. Once he traveled through time, he became the strongest person in the Mingchuan Continent, the Qing Leng Immortal of the Zhuyue Sect... And also had a terrifying demon king apprentice.
Si Yu was reborn. As the demon king whose strength was second only to Immortal Zhunqing, he unexpectedly returned to many years ago, when Zhuyue Sect was not destroyed and Immortal Zhunqing was not dead...
The Immortal Lord who is cold on the outside but gentle on the inside × the paranoid, vicious and arrogant Demon King's apprentice
This book is also called "Jade Sleep"
Intention: write what is in your heart