Died a Slave, Reborn a Noble: Becoming the Strongest With a Daughter Who's Older Than Me

Louis, a fighter who fights slaves in the stadium, finally loses his life in the match one day. However, he opens his eyes he finds himself in a gorgeous mansion. Louis is reincarnated as the sixth son of a nobleman! And one day after more than a decade has passed, Sharon, a fellow slave from his previous life, appears in front of him. Sharon, who was a child in his previous life, has grown into an adult woman older than him―!?