Tsuihou Ouji No Eiyuu Mon! : Oidasareta Moto Dai Roku Ouji Wa, Jitsuha Shijou Saikyou No Eiyuu Deshita summary:
Once called the strongest hero, Zeek is reincarnated in the world 2,000 years later by a curse. Reborn as the sixth prince Leon of a small frontier country, he was harassed by his stepmother and his brothers every time because his mother was a commoner. Leon kept his silence for his grace to his father, but his father's death prompted him to be banished from the country and even his life. Surrounded by him and in a desperate situation, the crimson emblem began to shine on Leon's right hand