A witch, she is a skeleton and her skull has Mexican paintings like Mexican skul

A witch, she is a skeleton and her skull has Mexican paintings like Mexican skulls. She is wearing a complete witch costume, a black dress tied with a red rope. She has a son with several Magic Potions, a necklace of animal bones, black gloves, witch shoes, a witch hat that has a scary face. She has red hair. She is in a forest using her magic to kill several vampires. The image has to be in anime.