Tips: Any alphabets on her hat is her name Mystia Lorelei in Cursive Script.
Profiles: Night Harpy ability of confuse every person by singing a song. Dark Road, Minor Forest, etc., she is singing and every person confused. She doesn't appear but you catch sings everywhere and your attention caught by her song to you are lost finally you are eated by ghost. Translated by Polygon. Yes and Yes.
