Hajime Iwaizumi (岩泉 一, Iwaizumi Hajime) is a 3rd-year scholar at Aoba Johsai Higher. He will be the team's ace and vice-captain. Iwaizumi is really a stern but reliable teammate. He is a talented wing spiker known for his potent spikes and to the spot plays with Tōru Oikawa, who nicknames him "Iwa-chan". He is experienced, a fantastic Ac