The two of them have been best friends since Nayuto was born.
They basically do everything together...
... because they have so much in common.
When they're awake they like to make fun of hipsters.
They do each other's hair.
And they watch a lot of TV because that's what kids and dogs do together these days.
Their favorite holiday is Halloween.
They also enjoy Chinese New Year.
They also have a thing for sitting awkwardly next to each other.
Now that you've met them, here are a bunch more pictures of them sleeping together because DEAR GOD, THEY'RE SO CUTE.