Diary of a Lewd Princess / Kijoku: Princess Double Kari

You cannot trust demons. Our hero has learned the full bitterness of these words...

After the death of his mother, Distol swore to become the best swordsman in the world. Eight years passed and our hero matured, but the string of failures and tragedies did not end - his younger sister, Princess Kuna, was chosen as a sacred sacrifice to calm the seal protecting the sleeping demon king. Usually, relatives and the victim herself are proud of this choice, but Distol is not ready to lose the only close person in this world. But he could not protect her... Distol curses himself and suffers from heartache. A mysterious witch comes to him and offers him incredible power, but for that he must kidnap Princess Elena from a neighboring state and rape her...