The toilet became dark. All the light sources disappeared. You can't see your fingers in front of your eyes. You can't really reach your fingers.

the toilet is quiet. In the night, only the drip of water is heard. A gloomy atmosphere spreads in the dark.

"how can it suddenly become so dark?" I mutter, according to the principle, even if the light in the toilet is broken, the street light in the campus will penetrate some, but in fact, it is not.

I frowned. I pinched the French seal and looked at the night warily. I found nothing unusual.

"there's nothing. It's strange." I said to myself.

at the...