Behind the Scenes in Tokyo, Control the Island Country and Provoke a War

No system + partial group style + no one person alone + doing things behind the scenes + trying to win a horse The pace is slow and the protagonist has a development process. He takes control of the island country by doing things behind the scenes, and then launches a war. In an extraordinary parallel world, the time traveler Zuo Tengming studied in an island country and awakened his extraordinary power. He felt that his life here was really boring, so he founded the Shadow Assassin Alliance to ignite the beautiful scenery from the island country to the bad country. The main plot is that Chao Chao is doing things behind the scenes