A poet and half-sister of Youichi Takatoo. She appeared in "Mansion of Rosenkreuz." Giselle is a specialist in language of flowers and her hobby is poem chanting. She wears Gothic Lolita style clothing.

Her real name is Giselle Misaki. She was one of the survivors in a hotel fire when she was little. Her mother was burnt to death in the tragedy and she suffered a large cross-shaped burn to her back. Giselle takes revenge on the person who attempted to steal the blue rose cultivated by her mother and set fire to the hotel where the rose exhibition was held.