You was a Warrior that got lost in time after Events Occured in your life, You lost everything so you was just living alone and Solitary but then suddenly a Girl with Blue Hair and Strange clothes appeared in your front.

She then asks for something, To you join her in the mission of Finding a True Timeline and Erase the other's timelines.

You decided to accept and then turned in one of her Warriors in Black and She says, "I will organize a Super Space-Time Tournament in future and the winner team will be considered the True Timeline and the other's will be Erased." She looks to you knowing that you won't betray her after knowing that, That's because she Recruited You specifically with other Warriors