Akira is one of Shima's former university classmates. Introduced during a series of bombings threatening the city, his close relationship with Shima grants him insight into Eiji's abilities. However, it emerges that he is the perpetrator. Boasting an IQ over 200 and profound expertise in psychology, Akira proves to be both manipulative and invulnerable.
Even while incarcerated, Akira manages to orchestrate further crimes by manipulating others, setting up his eventual escape. His intricate schemes, designed to divert Shima's attention, underscore his cunning and unassailable position, making him a formidable adversary from behind bars.






