Since this was part of a Pixiv set, I went ahead and used the commentary from the Twitter post for this particular picture.

I find it hilarious that he isn't realizing that her eyes have slits. I guess it could be explained as being too busy looking for ears and tails.

Also, is that some special kind of shed with an unusually small door, or is she just that tall?

XionGaTaosenai said:

Also, is that some special kind of shed with an unusually small door, or is she just that tall?

May be the Utility Room in the back of the house, but the door is ridiculously small compared to her size.

Котенок said:

May be the Utility Room in the back of the house, but the door is ridiculously small compared to her size.

I choose to believe in tall Ran.