The World of Summons from Another World Is the Game

Heaven and earth are the bureau, and all living beings are the sons. The man from Blue Star was reborn in another world with a summoning system. He was unwilling to follow the general trend or act in a mediocre way. He played chess on his own and led the world. The bones were the steps and the blood was the ladder. If he failed to win, he would die. (Be balanced, don't enter if you don't like it)