Sue-chan, the youngest of the Mitama family, has a weak constitution. Manami and her triplet sisters are always worrying about her. On the other hand, Himeno's niece, Shino-chan, isa very curious girl. She asks Himeno all kinds of questions as they go for a walk, and looks adorable doing it. All the little ones—Himeno's niece Shino-chan, as well as Manami's triplet sisters and baby sister Sue-chan—live their own stories.
That's why blocks always 
have a square side.
.لهذا المجسمات لديها جانب مربّع دائمًا
Deshalb haben alle Bauklötze
eine viereckige Seite.
Por eso los bloques tienen
un lado cuadrado.
Por eso los bloques tienen
un lado cuadrado.
c’est pour ça que les blocs
ont un côté plat.
Ecco perché i blocchi hanno sempre
una faccia con quattro lati.
É por isso que os blocos
sempre têm um lado quadrado.
Поэтому у фигур есть 
прямоугольные стороны.