[Darkness + Behind the Scenes + Group Portrait + Cthulhu + No Female Lead + No System]

(Don't read the introduction, just read the text)

When my blood drips onto the paper, the monster file is automatically written-

The depths of the mine are restless, and some ancient creatures are awakened.

There are wails coming from the sewers, and they are creatures from the abyss.

I am a creator who has lost control and is forced to write about the existence of the ancient gods.