Sofia and Oliva gets a whole volume focusing on them, Carla, Luna, and Aurora introduction seems a little rushed
It took all of half an introduction chapter for Luna to overcome her internal conflict with Sofia
And immediately after finding everyone machino goes into a coma (final arc cliche)...
I hate to be the barer of bad news for the "wholesome non grooming crowd" (which i am a part of) but judging by the authors pixiv, there is a good chance this is not staying non grooming
for the americans out there
170cm is about 5'7 and matsuda is like at least a head taller than her so like at least 6-9 inches so shes at least 6'1-6'4
ps. i really like this series, its a shame the axe is coming for it