Akamatsu Isamu (赤松勇, lit Akamatsu Isamu) is a supporting character in Hajime no Ippo. Akamatsu Isamu is a close friend with Kizakura Hiroshi , and they both joined Kamogawa Gym after Aoki's first title match. Making him not to retire. This three together make the "Aoki Team" with their leader Aoki Masaru . He is also an early boxer, with Kizakura. His surname is Akamatsu. In Japan, surnames are listed before given names.