He has lost his parents to the Haois Oni back in his childhood times at the village. He also never truly understood his parents - Especially mother. He's a part Oni and Dragon - Yet he doesn't know of the Oni part, as his mother never told him of that.
He's nice and kind, enjoys music and plays the guitar. He is indeed smart, but not too much as he's a villager. Mao also trainned to be a ninja or a warrior, but he never picked cause his master has passed away to the Oni.