Tensei Shita Moto Dorei Saikyou No Kizoku Ni Natte Toshiue No Musume To Sekai Saikyou Wo Mezashimas

All the slaves in the world are made “children”, and the whole family is the strongest in the world. Lewis, a fighter in the arena who makes slaves fight each other seriously, finally loses his life in the game. But the next time he woke up was in a gorgeous mansion. Lewis was reincarnated as the sixth son of an aristocrat. And one day after more than a dozen years, he encountered a former slave companion, Sharon, running away from a slave trader. Lewis rescues Sharon from the slave trader by [making him a “child”], a nonstandard method that ordinary aristocrats cannot think of. Then, at that time, four swords with tremendous power suddenly appeared in front of Lewis. ] Tanahashi Namoshiro combination presents a reversal upstart fantasy!