RahXephon: Pluralitas Concentio

Ayato Kamina lost contact with the girl he loved, Haruka Mishima, after a catastrophic event that supposedly wiped out everyone outside Tokyo. Three years later, the city comes under attack by mysterious invaders. Amid the chaos, he encounters Haruka Shitow, an agent of TERRA, who promises to reveal the truth about the world. This marks the start of a surreal journey where Ayato pilots a massive mecha called the RahXephon, discovers that people like his mother have blue blood, and learns he was living in an isolated dimension where time moved slower than the outside world.