The work is so bad that old readers are not allowed to read it, and new readers are also advised not to read it. I forgot to write it, and I wrote it for myself, sorry! In the "Ella Continent", a "boundary wall" condensed by ancient magic separates the two places - inside the wall is the "plain city-state" where humans live, relying on technology and simple magic to maintain life; outside the wall is the "fog wilderness" inhabited by fantasy creatures, hiding talking plants, animal spirits that can control airflow, and forgotten ruins of ancient civilizations. In the past hundred years, the energy of the boundary wall has gradually weakened, and the "shadow spores" in the wilderness have begun to penetrate, making the city-state creatures become manic. A crisis is brewing.