* The mangaka is a huge fan of ''WesternAnimation/ThePowerpuffGirls''
* According to the mangaka, she was approached about turning Ultra Maniac into an anime ''before it was ever published.'' Which explains why the anime and the manga have so little in common.
* RelationshipVoiceActor -- Nina Sakura and Ayu Tateishi voice actresses are present and accounted for in ''VisualNovel/DaCapo'', which runs just two months after ''Ultra Maniac''. The two reunite as Asuna Kagurazaka and Makie Sasaki respectively in ''Manga/MahouSenseiNegima'''s AnimatedAdaptation a couple of years later.