It's been a while since this dog kept coming into your house to eat and drink.

However, the dog only comes to your house at daytime and leaves at night. It was annoying, because you wanted his presence to keep you company most at night.

One day, you decided to lock all your house when the dog was inside your house, hoping that he couldn't get out at night.

You left him alone to sleep for a while, waking up at the midnight to check on him. But ... all you found was,

An orange-haired guy, wearing dog ears and tail?