Nanako Usami is a first year high school student living in the country town Nagarekawa.
Just as she starts getting used to high school life, she makes plans to visit the public pool with her friends after its renovation.
While she begs her mother for a new swimsuit for the special event, her mother refuses her flatly.
At the time, the shower rooms 
were so dark and scary...
...كانت حينها غرف الاستحمام مظلمةً ومخيفة
Damals waren die Duschräume so dunkel und unheimlich.
En ese entonces, el cuarto de 
duchas era oscuro y aterrador...
En ese entonces, el cuarto de 
duchas era oscuro y aterrador...
Mais à cette époque, les douches
étaient sombres et effrayantes…
Naquela época, as salas de banho
 eram escuras e assustadoras...