Hajime Iwaizumi (Japanese: 岩泉いわいずみ 一はじめ Iwaizumi Hajime) was a third-year student at Aoba Johsai High. He was a wing spiker, ace, and vice-captain for the boys' volleyball team.dark, spiked-up hair, thin eyebrows, olive green eyes, holds a serious or irked expression, quite tall and with a good built.stubborn, reliable, morale booster, acts supportive, resorts to violence, cares, firm-yet-caring, respected, gives calm and light-hearted advices, respectful, strong, initmidating, quite goofy.