Trope trivia
- First Appearance: Of Reika's grandfather Soutarou, and brother Juunosuke.
- You Look Familiar: Soutarou is voiced by Tomomichi Nishimura, who also voices Belzei Gertrude and Moebius.
Other trivia
- Soutarou Aoki is the 10th grandparent to a Cure, behind Otokichi Shirabe, Gentarou Myoudouin, Kaoruko and Sora Hanasaki, Genkichi Momozono, Heizou Kasgunano, and Sanae Yukishiro.
