All done with their mock exams, the Himeno-Naoko-Mika trio spot
their pottery club advisor Mami by the train station and impulsively decide to tail her.
They pass through a forest, walk by a lake and finally reach a mountain.
Where exactly is Mami going?!
Someone I went to school 
with back in junior high.
زميلة لي في المدرسة المتوسّطة
Eine Klassenkameradin
aus der Mittelschule.
Una compagna di classe delle medie.
Uma amiga da época do ginásio.
Я с ней в средней школе училась.