Nobody

"A dead end." Cerberus sighed and put his hands on his waist. He looked behind where he came from and shook his head.

When he was about to start heading back, he heard the chirping of birds and buzzing insects. He turned toward the door and walked to it.

He frowned, bent his knees slightly, and saw a tiny hole, not any wider than his middle finger. Through the hole, he could see another room. The room was oval-shaped, with a ceiling that was about twenty feet high.

On the ceiling, there were veins that ran down the walls and floor of the room. Blue-weathered birds chirped loudly on top of those veins while small insects slithered down the floor.

The room was filled with a thick fog that made it impossible to see anything clearly.