The story started at twelve-ish pm, when I was still sleeping. (I'm basically nocturnal during summer break.) My phone was ringing, and it turned out to be my mom on her lunch at work. She told me that as she was going to work, she passed by our neighbor's house in our car and saw a "fluffy, white dog". She stopped moving, and the dog stopped moving, and "looked sad". But she was already pretty late leaving the house, so she wasn't able to get it. She wanted me to go out and see if it was still there.
So I went outside and looked for what I thought was this:
The dog looked more like this, except with a little more light brown: