Hime to Aiyoku no Sacrifice

Solidity-A large nation that has won and developed into a war between nations is attacked by a man.
The main character \”cardo\” who held a strong grudge against the king and took action for revenge
seized the castle with the help of the \”devil\” who was working.
It shows no interest in the government or the public, and starts revitalizing the princess Fiana using the demons’ abilities as revenge on the king .