The individual has received training in martial arts at an orphanage run by its director. Although it was described as karate in a foreign underground ring, it is actually an ancient form of Jiu-Jitsu. Following the death of his childhood friend, he decided to join the Annex Project with the goal of discovering a cure for the deadly A.E. virus that affects our planet. After undergoing the M.O. Operation, he gained the ability to produce extremely thin yet incredibly strong threads that are nearly invisible and cannot be broken by Terraformars due to his newfound powers from the Eumeta japonica.
He is the son of Nanao Akita, which caused him to be born with a dense muscle build. Akari also inherited many traits from his mother, which made him highly compatible for the M.O. Operation.