Konohanasakuya-hime appears in both the Kojiki and Nihonshoki and appears to have originally associated with protection against fire, per the stories which appear in both chronicles.
The ending themes are "Raison d'être" (Reason to Be) by Rie Tanaka (episodes 1–13), "Ningyo-hime" (Mermaid Princess) by Rie Tanaka (episodes 14–25), and "Katakoto no Koi" (Awkward Love) by Rie Tanaka and Tomokazu Sugita (episode 26).
Unlike Hime, Hiko is neutral, non-archaic and still commonly used as a modern Japanese male given name, for example Nobuhiko Takada.
Directed by Masakazu Obara and written by Hiroyuki Yoshino, it is a spinoff of My-HiME anime series and as such My-Otome takes place in a new setting with new main characters.
Shimazu is notable for having had voice roles in all four of the major anime TV series based on the works of Rumiko Takahashi - she played Shinobu Miyake in Urusei Yatsura, Sayako Kuroki in Maison Ikkoku, Kodachi Kuno in Ranma ½, and Abi-hime in InuYasha.
In the Yu-Gi-Oh! Trading Card Game, there is a group of cards called "Spirit Monsters", which are all based on Japanese gods and other mythological creatures.