Wangnyeoneun Michin Cheogeul Handa

When the emperor declared that his children must battle to become the last remaining heir, the only way Princess Lisbelle could survive was by becoming a mad woman. Feigning insanity kept her out of danger for years, but with only three children remaining, Lisbelle now finds herself a target. In a moment of danger, she discovers powers gifted to her by the goddess Hellare and suddenly finds herself in the company of a charming magician. But whether he’s friend or foe has yet to be determined…
(Source: Tapas)