Read A Betrayed S-rank Adventurer, I Make A Slave-only Harem Guild With My Beloved Slaves Manga:
Egil, an S-rank adventurer who has lived hateful of "slave", falls in love with one slave at a slave auction he was forced to bring. She was Eleanor, the former third princess of the Kingdom of Cornelia. Eleanor, a slave to Egil, begs Egil to "kill my childhood friend who sold me to a slave trader"! !! Keep an eye on the estrus slaves if th more.. ere is a chance! Can Egil rescue the body and mind of beautiful girl slaves and bring peace to this world ...!