Definition of Rahxephon

is a Japanese science fiction series about 17-year-old Ayato Kamina, his ability to control a godlike mecha known as the RahXephon, and his inner journey to find a place in the world around him. His peaceful life as a student and artist in Tokyo is suddenly interrupted by a mysterious woman who appears to be stalking him, strange machines invading the city, and even stranger machines fighting back.