RahXephon: Pluralitas Concentio

Ayato Kamina was separated from Haruka Mishima about three years ago, when an event forced him out of Tokyo. He later finds himself in a life-altering situation after invaders attack the city, where he meets TERRA agent Haruka Shitow. Through her, Ayato learns that many aspects of his life have been a deception, including his connection to a mysterious, self-contained dimension where time passes differently than in the outside world. He also discovers his family's possession of 'blue blood' and his connection to the RahXephon mecha.