I, The Strongest Demon, Have Regained My Youth?!

Reading I The Strongest Demon Have Regained My Youth manga, I The Strongest Demon Have Regained My Youth manhua with alternative name: 最强魔君的我 突然变小了 with Description:  In order to maintain his rule, Xin Sheng, the eternal demon king who ruled the world, went deep into the demon realm to find the highest and strongest power. Thousands of years later, he has become stronger and younger, and the world has also changed…