* ChildrenVoicingChildren: All of the preteen cast were voiced by girls of the same age in the English dub. The end result is profoundly cute.
* WhatCouldHaveBeen: Matsuri, while still the ButtMonkey, was just as much of a jerk as [[TheFriendNobodyLikes Miu]] and less willing to deal with her crap in earlier chapters before the first book was released.
-->'''Miu:''' Hey, white hair!
-->'''Matsuri:''' Shut up, you hag.
** Chika and Nobue also had an older brother named Takanori.
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