* LesYay: Quite a bit between Nono and Lal'C. The OP for the series, ''Groovin' Magic'', honestly feels like a love declaration from Nono to Lal'C.
* {{Moe}}: Nono. [[LampshadeHanging Lampshaded]] at least twice (once by Nono, once by the Fraternity).
* SugarWiki/MostWonderfulSound:
** The Buster Machine March, reused from ''Anime/{{GunBuster}}''. [[spoiler:Subverted in episode 4 when the Variable Gravity Well is revealed. Then played epically straight.]]
** The opening song. Yes, the entire thing.
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