There is a rare type of Harionago that only appears on the first day of snow. People call her the Frost Harionna. Her snow-white hair with tips covered in thorns can be used both as a weapon and a concealer to hide her body and presence well in the snow, allowing her to prey upon unknowing victims with ease.
Old tales suggest that she was bound and mutilated by a group of men during the first day of snow while being forced to smile during her death. Because of this, the Frost Harionna inflicts the same horror on men who smiles back at her.