Ai, Sunakawa's sister three years his senior, is shocked to learn during a home visit that Takeo is dating. Having secretly harbored feelings of her own for Takeo, Ai is suspicious of Takeo's girlfriend and launches her own investigation...
And they bake you cakes, even when 
it isn't your birthday.
ويصنعن الحلوى حتى إن لم يكن هناك عيدَ ميلاد
Und sie backt einem Kuchen, auch
wenn man gar nicht Geburtstag hat.
Y te hacen dulces, incluso 
cuando no es tu cumpleaños.
Y te hacen dulces, incluso 
cuando no es tu cumpleaños.
E ti preparano torte
anche se non è il tuo compleanno.
Elas também fazem bolos mesmo 
quando não tem aniversário.