I Wish I Had a System to Hide My True Self

System Diary.

Year 213: I suddenly realized that something about my Host seemed a little off. We were still working together happily, and the Host was very cooperative.

Year 217: The Host somehow and effortlessly killed an entity I had deemed impossible to defeat.

Year 219: I discovered traces left behind by other Systems on the Host. I tried to decipher the information hidden in those traces.

The information was decoded later that year. 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 that the Host had changed from before.

I couldn't stop myself from feeling an abnormal sense of fear. I...

The diary ends abruptly.