kirisame marisa (witch of scarlet dreams on vacation)
Alternate identity of an alternate identity, based on Kirisame Marisa (Witch of Scarlet Dreams) of Touhou LostWord.
She has several scars on her body which were caused by heat exploding out of her body when she first became The Witch of Scarlet Dream, although this detail were often missed or left out by artists.
Official art
This tag implicates kirisame_marisa_(witch_of_scarlet_dreams) (learn more).