A tiny sound, like a mosquito buzzing near my ear, kept ringing out. Annoyed, I pulled the blanket over my head and tossed and turned several times. Yet, the sound persisted relentlessly.

...Hey! Wake up!

The moment I finally opened my eyes.

Something jumping up and down while waving its arms on the pillow caught my sight.

I rubbed my eyes and looked again. My roommate was definitely there.

The problem was that the guy who used to be about 178cm tall had shrunk enough to fit entirely in the palm of a hand.

..Help me out here!

I heard a voice much smaller than usual. I thought I was seeing things because I wasn't fully awake. But the tiny human in front of me was definitely real.

As I stared down at him blankly for a moment, a thought suddenly occurred to me.

...Wait. It would be so much fun to mess with him, wouldn't it?