Trivia: Zettai Karen Children
- Actor Allusion: In the anime, Mio is voiced by Rie Kugimiya-yes, that Rie Kugimiya. In one episode, Mio refers to herself and her semi-shadow clones as the "Tsundere Queen(s)". Rie Kugimiya is also known as the "Queen of Tsundere"...
- Hey, It's That Voice!: If I were to tell you that Kaoru was an otaku, the Second Kira, and God, would you believe me?
- Talking to Himself: Episode 24 has interaction between Momotaro and Mio, both voiced by Rie Kugimiya.