The Great Consultant.

The beautiful princess Alodia Claire Avistraix after some circumstances meets a mysterious general consultant who's only known by her ephitet Noir. Upon meeting her she discovers the woman's brilliance in solving cases, unconventional problems,her abilities in strategy manipulation, and boundless knowledge which intrigues the princess. The enigmatic consultant who hides her true name and the powerful ability user princess join hands to solve mysteries, peculiar problems, and preventing international chaos.