Rae is a former office lady originally known as Rei Oohashi who reincarnated into her favorite otome game, Revolution, as its player character. She is deeply in love with Claire François, a fact she shows very openly. After being reincarnated into the game, she became Claire François' maid and a member of the Academy Knights. 
She uses her extensive knowledge of the game and knowledge from her former modern world to her advantage and has very strong magical ability.