Kurenai Sanshirou (TV Series, 26 episodes, AniDB)

Requested before Jun 2019

Young Kurenai Sanshirou is the proud heir of a judo dojo. One day, he finds his beloved father dead and a glass eye not too far from the corpse. Ready to avenge his father and take his honour back, Sanshiro and his friend Ken start searching for the mysterious one-eyed murderer... Source: ANN