Shuji’s best friend. Atsushi is a mature, open, down-to-earth guy who holds a fascination for the military. Atsushi always looks out for others, as can be seen during the Sapporo raid where he's desperately trying to keep his friends out of harm's way. He decides to join the JSDF to protect the girl he loves, Akemi, despite being aware that she will never love him back