For the majority of the series, he was a third-year student at Aoba Johsai High, serving as the captain and setter for the school's Boys' Volleyball Team. He is the main antagonist of the Interhigh and Spring High Preliminary Arcs.As of the Final Arc, he is a setter for Club Athletico San Juan, a professional team in the Argentine Volleyball Federation. He obtained Argentinian citizenship and plays on the Argentina National team as the starting setter.