During a party, Cecil, a clumsy white mage, spills on Oswald, the popular leader of the first squadron of holy knights, a homemade antidote. The reason is that he emitted a strong evil aura.

An upset Oswald kidnaps her an takes her to his mansion, and she panics: "My chastity is in danger!"

Cecil grows impatient, but he rebuffs her, telling her: "You are not my type."

It seems that Oswald is behind Cecil's potion, which was the first to take effect on a curse he had received in the past. Oswald formally asks Cecil to treat him, and she decides to take the opportunity to make a name for herself and accepts the request...

The romantic comedy of a cursed holy knight and a clumsy white mage begins!