On the day of the Tennomifune Academy entrance ceremony, in the class 1-7 classroom, Hanakoizumi Anne (Hanako), Hibarigaoka Ruri (Hibar), and Kumegawa Botan (Botan) are told by their homeroom teacher Kodaira-sensei that they are unfortunate and unhappy students.
The goal of the students of class 1-7, who are burdened by a variety of forms of misfortune, is to become happy.
The three girls have trouble accepting their circumstances, but they're immediately given an unexpected assignment...!
No, I wasn't thinking that, exactly...
...لا، لم أكن أفكّرُ بتِلك الطريقة تماماً
Nein, so weit
würde ich nicht gehen …
No, nunca pensé tal cosa…
No, no es eso...
Mais non, pas du tout…
Non era esattamente 
ciò che stavo pensando...
Não, eu não estava pensando nisso...