Doukyonin wa Hiza, Tokidoki, Atama no Ue. Temporada 1 Episódio 2

Subaru has begun living with a cat as a roommate. He realizes hes run out of cat food and goes to a pet shop to buy more, but starts to panic when hes surrounded by creatures hes never been around before. Then Nana, a shop employee, starts to talk to him, asking him questions about the cats name and age. Subaru then realizes he hadnt thought of a name for the cat yet. Nana tells him that he should give the cat a name because its his family now, so Subaru tries to think of one, but nothing good comes to mind. As hes pondering, he comes across a book in his room called The Moon and the Sun...