Kinrou is the elder brother of [Ginrou](https://anilist.co/character/143270/Ginrou) and the son of Tetsuken and Shirogane. Originally having served as one of the guards of Ishigami Village alongside Ginrou, he quickly joined Senku as a member of the Kingdom of Science.
Kinrou is a muscular young man of average height, with a scar on the right side of his face and a cluster of hair hanging in between his eyes. He wears a sleeveless karate gi-like uniform with a belt and a buckler with a star pattern on his back. After the Grand Bout, Kinrou begins wearing a pair of glasses to correct his nearsightedness.
