Subaru has begun living with a cat as a roommate. He realizes he's run out of cat food and goes to a pet shop to buy more, but starts to panic when he's surrounded by creatures he's never been around before. Then Nana, a shop employee, starts to talk to him, asking him questions about the cat's name and age. Subaru then realizes he hadn't thought of a name for the cat yet. Nana tells him that he should give the cat a name because it's his family now, so Subaru tries to think of one, but nothing good comes to mind. As he's pondering, he comes across a book in his room called "The Moon and the Sun"...
I don't see how giving you one 
will change anything, but...
Kann mir zwar nicht vorstellen,
dass es was ändert, wenn ich ihr einen gebe …
Dudo que darte uno
cambie las cosas, pero…
Dudo que darte uno
cambie las cosas, pero…
Te baptiser
ne changera sûrement rien,
Dubito che dandogliene uno 
cambi qualcosa, ma vediamo...
Não sei como lhe dar um
nome fará diferença, mas...
Не понимаю, как имя 
что-то изменит, но ладно...