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 can't just get rid of it anytime.
Ihr könnt sie nicht einfach wieder loswerden,
wenn euch danach ist.
No pueden deshacerse de 
él cuando les plazca.
Vous ne pourrez pas
vous en débarrasser,
Non potete disfarvene quando volete.
Não podemos simplesmente nos 
desfazer dela quando quisermos.