Subaru is at home doing his favorite thing, reading... but then Hiroto and Kawase show up, robbing him of his time alone. Then Kawase suddenly orders Subaru to buy a collar for Haru immediately, saying it'll help identify her in the event that she gets lost. So Subaru heads for the pet shop, where Nana helps him find a suitable collar. But Nana also tells him that many cats dislike collars and only end up stressed out by them. Will Haru approve of her new collar?
Obesity is dangerous because it puts stress 
on the heart and respiratory system.
Übergewicht kann gefährlich werden, es belastet unter anderem Herz und Atmungssystem.
La obesidad puede causar estrés
al corazón y al sistema respiratorio.
La obesidad puede causar estrés
al corazón y al sistema respiratorio.
L’obésité est dangereuse, elle affecte
le cœur et le système respiratoire.
L'obesità è pericolosa, può causare danni
 al cuore e al sistema respiratorio.
A obesidade é perigosa por estressar
o coração e o sistema respiratório.
Избыточный вес опасен тем, что повышает 
нагрузку на сердце и дыхательную систему.