The Shingenii, once rival to the Takanii as they were under Hegemonic Imperial rule. This is a separate civilization from the Takanii despite them having some similar traditions toward one another, and might have a possible same origins which now has little to no traces. Possibly the Takanii defectors help forming this faction.

It was once formed up from a collections of many Japanese and alien colonies which were once threatened by the Hegemonic Takanii's dreadful expansionalisms, in order to unify the races and protect their ethnics, once united Earth was no more. As the Shingeki was the founder of this confederation.

Consist of Shingeki Front, Yuzuriha Sectors, Inazuma Domains, Kansato Union, and many other Japanese interstellar colonies and factions, may include alien factions which is also friendly to the Japanese factions as well or under protectorate/vassal relationships and some of former allies of the United Solar Nation of Earth.