Mayumi is a strange being, between a crazy girl and a blue whale, and then she's also a pseudo-writer, a fangirl inside, a Clam, almost a philosopher and she's like the most nefarious and sour manageress of an American fashion magazine.
Mayumi is suffocated by numbers which surround her - and which she hate - because it seems that they have it in for her: sometimes they aren't enough, some other thet are so much that she loose hold of it.
Mayumi doesn't want to talk about school, because sometimes "adults" discuss it really too much - as if they've never fill enough - and because she'll want to do whatever she like, when she'll grow up... a