Finn Laurent, seemingly a normal schoolgirl has just been told that she is the moon princess reincarnated. Now with youkai at her side to protect her, as well as youkai attacking her, her normal daily life is nowhere to be seen. At the same time she's having dreams about someone, everytime she sees him she feels her heart clench. It seems like they're memories of her past life, but does she really want to know those memories? Will she still be "Finn" after recollecting those memories? After turning 18, her hardships have only just begun....