Obtain the Mask at the Beginning of the King's Game

Traveling to the world of kings, what the hell is the ability to get a mask at the beginning? Compared with Kaibi, who is the real Kamen Rider? Forget it, come as soon as you come, let's see what kind of world this is first. It should be regarded as a comprehensive comic. Anyway, it will also go to other worlds. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.