Akira's childhood friend and hard-working factory employee. Has brown hair and eyes and is 178cm tall. Likes green curry flavored Solids. He and Akira grew up together in the same orphanage. Because he is a bit weak, he has always admired Akira's strength. Though he is a bit quiet and shy, if Akira is involved, he suddenly becomes bold. Upon hearing Akira's situation, Keisuke chases after Akira and also joins Igura, despite his weakness and lack of fighting experience.