Mikado Kurosaki

Mikado is a talented and ambitious young man from the Red World. He is an intelligent strategist who wants to use the Red World's cloning technology to revive his younger sister. He is a Z/X card holder of Alexander.

He an welds utmost influence in Kyushu where he is also rules the city, he also has its defense force under his control. Thought, he is Alexander's strategist, he seemly has no control over him, instead it is suggested that it was Alexander who commands him.

(Source: ZXTCG Wikia)