In 2012, Japan was invaded by the Mu, human‑like beings from another dimension whose blood is blue. By 2015, Tokyo faced another assault from the Mu, and the city’s defenses were held back by a humanoid weapon known as a Dolem. Amid the chaos, high‑schooler Ayato Kamina encounters his classmate Reika Mishima. Later that day, government agents pursue Ayato, but a woman named Haruka intervenes, revealing that she has been dispatched by the Organization TERRA to retrieve him. She explains that Tokyo has been sealed in a time rift in which time moves at one‑third the speed of the outside world. Ayato escapes with Haruka onto a train, where he sees Reika again. They reach the Room of Rah; following Reika’s lead, Ayato enters a massive egg housing the Dolem RahXephon…