User blog comment:The Ultimate Pawn/Clarifications on Issei's harem and his peerage/Peerage and Harem Predictions/@comment-2208155-20170204171801

Speaking of Jeanne, I see his page in this wiki..

is a beautiful young girl with Blonde hair, she is  cheerful and childlike personality, she also calls people by nicknames using names like Sieg-kun, angel chan..

She is a swordwoman but for the rest this character is similar to Le Fay..