Kana Koumoto - a cheerful 17 year old who can often be a klutz and nosey. One day, while hanging out with her besties (Pets, Mossan and Hijiri), Mossan starts making a rocket using empty soda bottles. 
Huh? Why?
Hein ? Quoi ?
Eh? Perché?
Hã? Por quê?
А, что?