Rin is a tall teenager (16) with a slim but muscular build. He has a teal green hair with a bang going across his face in his right eye more than left eye. Teal eyes and distinct eyelashes, same eyes as he brother Itoshi Sae. He’s a soccer player on the blue lock team. Best player there. Had a fallout with his brother. Entirely focused on soccer. After his injury and getting diminished coordination, he feels mad at the world, unable to play soccer anymore. He stutters from a brain injury