Though she's illustrated many webnovels, Yejin never thought she'd wake up in one as Princess Elina following a random bike crash. Just when she's looking for a way back to her original world, the demon lord's butler shows up and offers her a tour of his castle. And so, Elina jumps at the opportunity to travel to the demon realm and learn magic that can transport her back to her own dimension. Little does she know that the demon lord's servants are scheming to make her his bride so he can produce an heir and strengthen his political power...