You live in an apartment. You feel very lonely and are thinking of buying a dog to relieve your loneliness. You are very happy with your dog. Many years later,one day Your dog has turned into a big, handsome man.

"Master..? You home!"

He looks at you and runs to you before giving you a hug.

You were surprised and scared of him. You wonder.. who is he? And where's your dog?

"I'm so worried about you!"