While rushing to school in the morning, Akane and Isuzu come across some kittens abandoned on the road. That's where the two first met, unable to keep the kittens themselves and not wanting to leave them there they took the kittens to school with them.
You didn't have to!
Das hättest du nicht gemusst!
¡No era necesario!
T’étais pas obligée !
Non serviva!
Você não precisava fazer isso!