RahXephon: Kansoukyoku/Kanojo to Kanojo Jishin to - Thatness and Thereness
Genres: Drama, Sci-Fi
Type: OVA, Episodes: 1
Aired: Aug 7, 2003
Studio: Bones
Source: Original
Rating: PG-13 - Teens 13 or older
Synopsis:
Quon Kisaragi was surprised when she saw an illusion of herself floating in midair. This other "self" of her claimed that she is a fragment of Quon. Thus an existentialistic dialogue began between the two.

(Source: ANN)