Not entirely accurate.. there seem to be two different universes at this time. The Rayearth/RG Veda universe (this is reaching, but they have a similar theme) and the X universe. The secret is to watch the manga closely, there is a Piffle Princess Toy Store chain in the X universe that keeps popping up. In the X universe, Rayearth is a popular manga loved by the heroine of Angelic Layer, Misaki.

Berk Watkins
Student of Quantum Bogodynamics...