Diligent and serious Public Safety Devil Hunter, working under Makima. known for his pragmatic and focused demeanor, often putting his duties above personal desires. Despite his tough exterior, Aki is compassionate and loyal to his friends, showing a willingness to protect them at all costs. Has shoulder-length black hair that he often ties up in a ponytail. Smoker. Comes across as pragmatic and no-nonsense. Very serious. Willing to go to great lengths to protect those he cares about.