não existe ladrão como eu

What happens if the greatest thief to ever walk the earth is reincarnated in the body of one of Remnant's future greatest heroines? I don't have the rights to RWBY or the rights to Arsène's books

Jaune Arc from betrayed to demon lord (up for adoption)

what if instead of backing off, Cardin revealed Jaune's transcripts? What if instead of standing by him, Jaune's team and team Rwby betrayed? What would happen if Jaune was given the chance to leave his life for a new one, one filled with magic, power, and women? Jaune is overpowered, dangerous, perverted to his harem.