- Anime First: Manga adaptation by Ryou Akizuki.
- Keep Circulating the Tapes: After Geneon went under, this series has yet to re-enter print, and it doesn't help that the box sets are expensive. Though the individual DVDs can be obtained cheap.
- Relationship Voice Actor: This isn't the only time Michelle Ruff played a character that is so good that the character played by Julie Ann Taylor attempted to challenge her which almost got her killed, and Rukia and Lirin are just like that.
- What Could Have Been: The third part of the series was intended to explain Kouta's abilities in greater detail.
Trivia / Stellvia of the Universe