The Demon King Falls in Love With the Fake Saint a Second Time

"You're beneath me! A useless girl who can't even heal!" In the Papas family, which has produced many saints, I was born without any healing power, with unlucky red hair and a red birthmark on my face. My beautiful younger sister, who possessed the strongest healing power of all, looked down on me, my family shunned me, and I was worked like a maid. Then one day, I was offered up in my sister's place to Zenon, the Demon King of the North, feared for devouring saints. Yet what awaited me there was a storm of doting affection...!? A pure-love Cinderella romance between a doting Demon King and a saint with a complex!