- Keep Circulating the Tapes: Good luck finding a new copy of The Movie. It was last known to be released in 2001, by Manga Entertainment, before CLAMP's hiatus on the manga, and there hasn't been a single high-definition release. Tellingly, Blu-ray.com doesn't yet have a page on it, even as it has pages on other anime that haven't yet been released on Blu-ray such as The Slayersnote .
- Relationship Voice Actor:
- Steve Staley and Crispin Freeman, the voice actors of Kamui and Fuuma, play long-lost brothers in the Digimon Frontier dub. However, in this story, Fuuma goes from being neutral to bad to good rather than his path in X. Bonus points for the voice actress of Kotori playing their only female teammate.
- Arashi is R. Dorothy Wayneright while Seiichiro Aoki is her employer. Karen is still pining over someone she can't have.
- Aoki is also Spike and Karen is also Faye. Though as opposed to then ends of those characters in that anime, Karen is the one who dies.
- Talking to Himself: Or, in this case, herself. Wendee Lee, in addition to playing main character Karen, voices both of Kotori's friends in the English version.
- Too Soon: Cause of several publication hiatuses during the initial run of the manga, and possible cause of the current hiatus as well. Thematic elements like the decapitations and seismic disturbances bore coincidental but unsettling resemblances to real-life events such as the Sakakibara murders and the Great Hanshin Earthquake, leading to the series being pulled from publication repeatedly. CLAMP denies Executive Meddling was responsible for the 2003 hiatus, stating that they themselves made the decision to cease publication as they were convinced the planned ending would not have been socially acceptable at that time. The global climate around urban terrorism and national security may have been a major factor in that decision.
- Word of God: Seishirou and Nataku are dead. Deader than disco. They won't be coming back. Also, Kotori's hair reminds the artists of Udon. Really.
- Paraphrasing Ohkawa, Kamui and Fuuma are more than friends. They used to be friends, but they are definitely past that point now. Please, Mr. Interviewer, don't refer to them as friends, that's not correct. Oookay then.
Trivia / X/1999