My Brother Became the King of Hell: I Am Invincible

The group portraits have no CP, the protagonist is invincible, the writing is cool, the world is imaginary, the focus is on the city, there is no harem, and it is not brainless. The identity of the protagonist Yi'an is a mystery. He only knows that he has lived for a long time. He has a good brother named Xie Bingwen, a mythical beast that was raised as a big cat, a master hidden deep in his memory, and an ordinary family who was blessed by the master. After living for too long, he would reincarnate for fun when he had nothing to do.