Ryo and his classmate doubles player. Brother of "Higashiyama Twins". Playing in harmony with his younger brother Yoji, he has been active as a player in the national district since junior high school. He has a strong awareness as an older brother, and when it comes to this, he is the one who pulls Yoji. When I was in elementary school, I used to build a battery with Yoji in baseball. His position at that time was a catcher.