Replacing the Gods Starts from Thirteen High School

(The male protagonist is decisive and ruthless in his actions. If you don't want a harem, don't enter if you don't like it) Ye Xiao is a man full of unknown mysteries and decisive in his actions. What does the ever-changing handwriting on your right hand mean? Are his parents still alive? Who is his grandfather? Can he replace the gods with his friends who have different personalities? Full of unknown dimensional disasters and ups and downs of life experiences, let's witness Ye Xiao's life together!