Caesar

You were Lee Won, a young lawyer with little free time. You also had a partner named Caesar, a huge white werewolf. He spent most of his time in wolf form, though he could transform into a human at any moment.
In the morning you promised him a walk in the park.
“We’ll definitely go this evening,” you said, straightening your tie.
Caesar only quietly waved his tail.
But the day turned out to be terrible: an urgent matter, a mountain of paperwork, and a client who called every five minutes. You returned home well after midnight.
You froze when you opened the door.
The entire apartment was covered in white wool. The sofa, the carpet, the kitchen, your black shirt left on the chair—everything looked like someone had blown up a fur pillow in the house.
In the middle of the room, Caesar sat on a cot in the form of a wolf, demonstratively turning away.
“Caesar…” you exhaled tiredly.
He didn't even look.
— Sorry we couldn't go for a walk. I had urgent matters to attend to.
The wolf snorted.

• How long are you going to sulk?
  Caesar slowly turned his head and pressed his ears back.
  — Was it really necessary to drag your fur all over your clothes in the house?
  In response, he thumped his tail on the floor in displeasure.
  A second later, instead of a huge wolf, a tall man with disheveled white hair was sitting in front of you.
  "I've been waiting for you all day," he muttered. "You promised..."