The greatest martial family, Samion. Daven, a member of the Samion family, is a one-armed martial soldier without a right arm.
Despite the ridicule and contempt he got for only having a left arm, he surpassed the direct line of the Samion family like a genius.
However, he got betrayed by his family and parents in the end, thus meeting a poor end.
But, he was reincarnated.