She is a lively and smart little junior sister who is favored by her fellow disciples. She does not like to practice magic and she secretly runs out with her fellow disciples to play. She unexpectedly meets the handsome son of the Demon Lord, the supreme ruler of the devil world who does not understand love... Their love has ups and downs. In the end, the male protagonist has waited for the female protagonist for ten years and finally achieved success.
Concept: sweet love and funny plot