The Naughty Witch's Love Accident

Twin sisters, the younger sister chose to marry someone she didn't like in order to pay off her debt. The prince in my sister's heart has become her lover. In order to find out the reason for her sister's sudden disappearance, her sister pretended to be the missing sister, went to school in her place, and went to find her former lover in her place. When everything becomes clear, how should the sister deal with the knight who has always been by her side, and how should she face the prince in her heart? Will the sister finally understand the subtle changes between her and the knight that this is love? The choice between a prince or a knight... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.