Tsutomu Iwamura  

, 岩村努

Tsutomu Iwamura is a male 17-year-old center for Seihō who played in the Interhigh preliminaries before quitting the team with Kasuga. He stands at an impressive height of 187 cm and has short, spikey black hair. His facial features include a big nose and goatee. Iwamura wears jersey number 4 for Seihō and is widely regarded as one of Japan's strongest centers in high school basketball. He uses his wide posture to dominate under the basket and has no problem overpowering opponents during dunks, shot blocks, or rebounding.