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. "I have a right arm?" He had a new family tradition. A naturally gifted body. Experience from his past life. And the god Yulion with him as well. After his reincarnation, everything changed, and a new adventure started.