Me: *walking to my room with science books, a mechanical pencil, my phone and my headphones*

Me: *reaches my room and walks in*

.....

Me: *randomly starts narrating* The police arrive at school.

Me: The police are unable to locate any corpses on school grounds.

Me: The police discover a knife stained with the blood of Midori Gurin.

Me: The DNA of Kokona Haruka is found on the bloodstained knife.

Me: Kokona Haruka is arrested by the police.

Me: The police question Yandere-chan, but cannot link her to any crimes.

Me: The police believe that they have arrested the perpetrator of the crime.

Me: The police investigation ends and students are free to leave.

Me: *goes on my phone lik nothing happened*