Trivia

For unstated reasons, head writer, Yuniko Ayana left the show after six episodes.

Featured the second highest rate of key animators per episode, in the fall 2016 anime season, only outranked by Yuri!!! On Ice (2016).

Yayaka, Toto, and Yuyu have the CMYK color scheme with Yayaka taking yellow, Toto with blue and Yuyu with pink. All three wear black on their PI outfits. The characters who can perform the "Flip Flapping" have the RGB color scheme in their transformed states and the primary color scheme in their regular states. Cocona takes pink/blue, Papika takes blue/red, and Yayaka takes green/yellow.

Much of the show's setting is based around Motomiya, Fukushima Japan, further stressed by Yayaka's favorite food being cream boxes, a specialty of Fukushima.