Yotsuba&! manga volume 9 features story and art by Kiyohiko Azuma.

Beep-beep-beep! Yotsuba here, and riiiight on schedule! Every day is a fun day, and today's gonna be even funner than the rest. We're busy, busy, busy! We should write down a schedule so we don't forget what we gotta do... like go to the bathroom! And go to the berry gair* store with Daddy! And try to fly! Omigosh, Yotsuba missed toilet time already! Noooo! What to do?! What to do?!

*Koiwai's note: I think she means "teddy bear."