Although I gave such a respectable title, it was just something I thought of about this article after a field trip.
There will be spoilers about future plots, so students who want to try it out please come in
I also want everyone to know what the initial setting and direction of this story was, and how it gradually became what it is now. Inspired by the setting book of "Gu Jian Qi Tan", I decided to release it.
Original work [DRRR|Headless] Menstrual period
Intention: