I hope now the cover image having two Noriko's makes a little more sense. The second Noriko in school uniform is Botan. I drew her hair different because I wanted to distinguish her as not the *real* Noriko. Plus, I feel like the ponytails like this seem indicative of Botan's two cat tails.
And the falling asleep in alleys? 4 Koma strip referencing this only in the printed addition of ch2. Haven't seen it? Click that button up top labeled Support! /shameless plug