Reclusive high school student Nukui Kyo uploads a song to a video site, attracting the attention of a trio of musically-inclined fifth-graders.
We're already in upper grades.
نحن في الصفوف العليا سلفاً
Wir sind bereits in
den oberen Stufen.
Ya somos grandes. 
Ya somos mayores.
On n’est plus des petites de CP !
Guarda che siamo già
in quinta elementare.
Já estamos no quinto ano.
Мы уже почти взрослые.