It’s the last day of camp school. Itsuki is missing. Futaro thinks he knows where to find her, but he’s sick and shouldn’t be wandering in the snow.
Maybe: skiing on the third day. 
(Yotsuba is supposed to teach me)
Skifahren am dritten Tag.
y esquí en el tercer día
con Yotsuba como maestra.
Y esquí en el tercer día
con Yotsuba como maestra.
je vais apprendre à skier,
La sciata del terzo giorno
(Yotsuba mi ha fatto da maestra.
Esqui no 3º dia (Parece que
a Yotsuba vai me ensinar)
Лыжи в третий день.
В скобках — Ёцуба будет учителем.