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...!
I was being really careful not to get it dirty...
...كنتُ أحرصُ جيّداً على تجنُّبِ الأوساخ
Dabei habe ich
so gut aufgepasst …
Me esforcé tanto para no ensuciarlo…
Me esforcé tanto para no ensuciarlo...
J’avais pourtant fait attention
à ne pas le tacher…
E io che stavo facendo di tutto per non sporcarlo...
Eu estava tomando muito 
cuidado para não sujá-lo...