- Marth Debuted in "Smash Bros.": Seeing as the games and INNOCENT never got an English release, this marks the first time that the Materials, Florian sisters, and Yuri appeared internationally.
- Relationship Voice Actor: Ritsu and Mio celebrate their K-On! reunion as Kyrie and Iris.
- Saved from Development Hell: The movie was originally announced back in early 2013. It didn't come out until the summer of 2017. However, said announcement on Anime News Network didn't list any source, so the credibility was questionable.
Trivia / Magical Girl Lyrical Nanoha Reflection