Mangas

Ikai no Kifujin ga Shounen o Kifujin ni Sodateru o Hanashi -  Ikai no Kifujin ga Shounen wo Kifujin ni Sodateru wo Hanashi -  異界の貴婦人が少年を貴婦人に育てるおはなし
A slave boy who had been so abused that his eyes were empty was on his way in a rickety carriage to clean a chimney, a very dangerous job that eventually choked the lungs of those small children who performed it. Suddenly, an elegant carriage blocked their path. A beautiful lady exited and took the boy away. Why was the slaver calling after the lady's carriage, warning the boy not to go?