System Diary.
Day One after binding: I suddenly noticed that something seemed off about the Host I was bound to. Still, our cooperation was going smoothly, and the Host was very cooperative.
Day Five: The Host inexplicably and effortlessly face-slapped an entity I had judged impossible to face-slap.
Day Thirteen: I discovered traces left behind by other Systems on the Host. I tried to decipher the information hidden in them.
Later that year, I finished decoding the information. After organizing it, I obtained the following message:
Run! He's not human!
I think I understood something, but at that moment, I clearly felt the Host had changed from before.
I couldn't suppress the abnormal fear rising inside me. I...
The diary ends abruptly.
This novel and its characters are entirely fictional. Any resemblance to real people or events is purely coincidental. Do not imitate.