Komichi makes up her mind to invite Erika over during the weekend. But because she's never invited anyone to her house before and doesn't know how to ask, a week has passed before she realizes it. Erika, realizing that Komichi is acting suspicious, invites her to the school library to try to find out what's going on. Komichi takes an interest in the book on fishing that Erika is reading and tells her that she often goes fishing at the lake near her house with a her own homemade pole. Erika responds with a look of envy, and from there...
And it's just to change clothes 
and use the bathroom.
وهذا فقط لتبديل الملابس واستخدام دورة المياه
Ausgerechnet zum Umziehen und Waschen …
Y encima, a cambiarme y al baño.
Y encima, a cambiarme y al baño.
Juste pour me changer
et emprunter ses WC…
E per di più ci sto andando
 per cambiarmi usare il bagno.
E é só pra trocar de roupa
e usar o banheiro.
Просто чтобы переодеться
и зайти в туалет...