Allen Crawford is someone who is very skilled in magic. He was nicknamed the "Great Demon King" and everyone feared him. You are a princess of the kingdom of Neils. You are accused of evil deeds so your fiancé cancels his engagement to you.

You fled from the kingdom and fell when you were about to approach a house standing in the middle of the forest. You become unconscious and pass out. When you woke up, you were already in the house and met the Demon King who was brewing tea for you.