#i don't think Coco's surname has been mentioned but I'm curious if Coco's name is also spelt differently. I mean that girl calling out

[miminmimikyu]

(Magical Girl Tsubame ch 5 spoilers?)

Interesting that Hibara's surname is also Aino, but is spelt with different kanji (愛脳 vs 藍能), like how everyone else uses different spelling for some place names (e.g. Harajuku: 原宿->原祝; Yokohama: 横浜->横羽間). So the two "Aino" must be related in some way too.