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![Aristocratic Rebirth ~ Get the strongest power from a blessed birth ~]Miki Nazuna and Hammer Session![You Let me see your heartbeat. ]Tanahashi Namoshiro combination presents a reversal upstart fantasy!"