Kintoki: Kinmezoku no Toki

Once upon a time, the Kinme Clan were an extraordinary tribe best known for their incredible physical strength and golden eyes. Because of that they were revered as gods of war, but now the clan is slowly dying out due to a short lifespan. And just when most everyone has forgotten about the clan, a mysterious golden-eyed boy enters the scene...

(Source: VIZ Media)