One day, Lucia, the daughter a viscount, is suddenly told that her engagement is broken and is also invited to the wedding of her former fiancé, who is to marry Lucia's cousin!Her family status prevents her from attending, and her brother is too busy to go with her....At a loss, my brother's friend Phil, who was on vacation, offers to accompany me to the wedding.However, this friend of my brother's is actually not a normal person...?This is the sweetest and most heartbreaking Cinderella love story ever!