The ultimate union

Introduction Disclaimer: This disclaimer will serve for the whole story. I don't own Inuyasha, Yu Yu Hakusho, Rurouni Kenshin or any other anime shows I take characters from.

Premise: A new evil is threatening spirit world and Koenma must summon the strongest fighters through time to combat it.

Cats of main characters: 2 characters from 3 different anime series.

Koenma: Son of lord Enma, ruler of spirit world and watcher of the human world.

Yusuke Urameshi: Spirit detective of Koenma and spirit world.

Hiei: Demon that possesses the Jagon eye and the darkness dragon technique.

Inuyasha: Dog demon Hanyou from the feudal era that owns Tetsuseiga.

Sesshoumaru: Full demon brother of Inuyasha who owns Tokijin and Tensusaiga.

Kenshin Himura: Former manslayer from the Meiji era and now a Rurouni.

Sanosuke Sagara: Former mercenary and a master of the Futea no Kawami.

Please R&R and tell me whether I should continue this story.