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.
You can't be good at it 
unless you study a lot.
لا يمكن أن تكون أختًا كبيرة
.جيّدة ما لم تدرسي كثيرًا
Wenn man nicht viel lernt,
wird man kein gutes großes Mädchen.
No puedes ser buena
si no aprendes mucho.
No puedes ser buena
si no aprendes mucho.
Je dois travailler dur pour pouvoir
répondre à toutes leurs questions.
Bisogna studiare tanto per essere brava.
Não dá pra ser boa nisso 
a não ser que estude muito.
Чтобы всё знать, нужно хорошо учиться.