Fantomu

By all rights, they function as shadow's — a 'ghost,' which should never have come into being at all.The Yuri (伝説の三幽霊Densetsu no yuri Literally meaning Legendary three ghost in english Dub) is a strictly confidential agency made up of three renowned shinigami's in the soul society, they are hailed as three of the greatest shinigami of their time.

History
As students at shino Acadamy, the three where students of genyusai shikuni yamamoto despite being a team and having accomplish many great  things together  During there time the three members were always in constant disagreement with one another as shunshi  referred to as a "three-way deadlock".once they become skilled shinigami able to look after themselve, the team was disbanded, Despite the groups dissolution the three continued to work together.At one point the group was revised by Hikari Kuchiki who was became the  captain of the 15th division around the time. Although by nature an organization separate from the gotei 13

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