does anyone know this manhwa? if i remember well its like a girl reincarnated in the royal...

does anyone know this manhwa? if i remember well its like a girl reincarnated in the royal family as the young princess. she have silver or white hair and blue eyes. she can summon fairyies and later have 2 fairy. i think the male lead is the fairy king. oh and there was a little girl who is abused by her mother who acted like the main character at a ball and she had some device which allowed her to have a water fairy. i think that's all i remember, i hope someone can help me^^