Metallia

"'From this day on, you will refer to me as the Great Witch of the Swamp, Master Metallia.'"'''Metallica (Known as メタリカ, Metarika or Metallica in Japan) is the self-proclaimed Great Witch of the Swamp and deuteragonist alongside the Hundred Knight, the legendary demon she contracted. Metallica summons the Hundred Knight to defeat the Forest Witch Malia. Who after defeating turns her rivals into a mouse and sends horny mouse to chase her. After the first chapter, She meets the cursed inquisitor Name Visco Dotrish, Who Visco mistakes as the Forest Witch. Metallica Plays along with the charade and has Visco collect ingredients.'''