Corvus (コルウス) is one of the characters that has yet to officially appear in any series. She is a girl raised by the crows.
Corvus has a white bland skin tone and red deadpan eyes. Her black hair is tied into twintails, having the end tips slightly wavy. She sports out a long sleeves black coat with red ribbons and a black fluffy beret hat with two red accessories in the side. Also, she wears black boots which complements her outfit and red stockings.
Not much is known about her.
She'a a child and the Daughter of Crows. 
Up to this day, Corvus has only appeared in some of Deep-Sea Prisoner's illustrations.
Hazad might have some relationship with Corvus, since they were seen together in a mini-comic.
Kamohashi might have some relationship with Corvus, since they were seen together in a mini-comic.
- Her name is a reference to the crows and the ravens. It is also the name of a small constellation.