Tamaki Mari, AKA Kimari, really wanted to have a great adventure in high school, but could never take the first step. Now in her second year, she meets Kobuchizawa Shirase, a girl who is determined to go to Antarctica despite being told it's impossible. Kimari is so moved by Shirase's indomitable spirit that she vows to go to Antarctica with her.
She went missing when 
I was in middle school, though...
...لقد اختفت عندما كنت في الإعداديّة، لذلك
Sie wird seit meiner
Mittelschulzeit vermisst.
Desapareció cuando yo iba en secundaria…
Desapareció cuando yo iba a secundaria.
Elle a disparu
quand j’étais au collège.
Ma è scomparsa quando ero alle medie.
Mas ela desapareceu quando eu
 estava no ensino fundamental.
Только она пропала без вести,
когда я была в средней школе...