A noble girl like a princess returned to her hometown after experiencing a painful tragedy. She returned to the school that belonged to her ten years ago and started a new life. There, she met him in her life, but she still didn't realize her feelings for him and was still stuck in her own confusion. Facing another gentle boy who also admired her, she only had the same feelings for her brother in her heart; the other was her childhood sweetheart. She admired his sunshine and cheerfulness, but she never expected that he would become her fiancé! Family, love, responsibility, where should she go?