Leria, a girl around 12 years old awakened the power of a saint whom duty is to protect the country. When she got her power, from a poor viscount house, she turns up to a royal palace. To save people, she prays wholeheartedly everyday, and receives prince Evan, the second prince's marriage proposal and spends her days happily. However, on a certain day the second holy maid's power awaken and angel turns up in palace. Since it's unusual that the power of two people awakes in the same generation, they promised to help each other. However one night, something happened. After praying, Leria got kidnapped by someone, and lost her purity. As a result, she doesn't have the qualification of being a holy maiden anymore. The second prince's broke off his engagement with her, and then she finds out that this was a plot between him and the other angel. She becomes the servant of those two people in love and is treated miserably until she meets someone...