It tells the story of a girl who became a "monster" due to an accident, and in the process of exploring the reason, she traveled to a world full of monsters.
In short, it is a tangled story between a conscious monster and a group of unconscious monsters.
The author wants to say: This was written a long time ago when inspiration suddenly came to me. But I have only written so much so far. I also feel like it's a waste to have it on my hands. So, take it out to dry. This is a trap, no doubt about it.