Poetry from the Old Days

The kingdom's strength appears on the surface, but internal struggles never stop. The prosperity of the old capital is world-famous, and even the beggars who scavenge on the streets will puff up their chests when talking about it. In the dark corners of the city, mysterious sacrifices are held for whom I don't know... How many secrets are hidden in the deep and dark sea, and what kind of horrors are hidden in the strange secret realm... Levi originally wanted to be an ordinary doctor, but a mysterious incident caused by a strange patient changed everything around him, and his peaceful life was gone forever...