マリカ・クリシュナ

A purebred vampire, she is an exotic brown-skinned beauty. A confident the ruler, Cara, and comes from a family that has served the royal family for generations.
As the Queen's bodyguard, she is always with her, but can come across as overprotective.

She is armed with a chainsaw with a rune engraved on the blade. 
Marika also belongs to the Queen's Knights of Assassination and the powerful person in the world. She has the alias of the Grim Reaper.
She almost single-handedly decimated Gram's organization and showed off her high combat prowess, but was then poisoned by Gram.