Alcina Kagari

Alcina Kagari (火々里 アルシナ) is a witch of the beginning, meaning that she was one of the workshop's original founders.

Laplace's Equation
Laplace's equation is a type of magic that allows Alcina to transform those of her choosing into anything she desires.

Evermillion
It is assumed that since Alcina is a witch of the beginning, she has known Evermillion for a long time. According to her, Evermillion always found the way Alcina transforming people into objects "sickening".