Akira Toya is a central figure in Hikaru no Go, introduced as a quiet and intensely focused twelve-year-old who has dedicated his entire life to the game of Go. As the son of the legendary Koyo Toya, a titleholder known as the Meijin, Akira has been immersed in the professional Go world from a very young age, beginning his studies at the age of two. He is a prodigy whose skill is far beyond his years, a fact that shapes both his demeanor and his isolation from other players his age.

In terms of personality, Akira is generally polite, calm, and reserved, carrying himself with a maturity that contrasts with the more boisterous nature of his rival, Hikaru Shindo. However, this composed exterior belies a fierce and burning ambition. Because of his exceptional strength, his father forbade him from entering amateur tournaments, fearing he would crush the spirits of other aspiring players. This left Akira without any true competitors among his peers, which inadvertently fostered a sense of arrogance regarding his own abilities. He is described as being friendly and kind, but he can be arrogant due to his high level of skill, and he initially thinks very little of players who are not on his level.

Akira's entire life and motivations are upended by his chance encounter with Hikaru Shindo at a run-down Go salon. Believing Hikaru to be an amateur his own age, Akira is crushed in their first game, and again in a rematch, unaware that he is actually playing against the ancient ghostly master Fujiwara-no-Sai through Hikaru. This defeat ignites an obsession within Akira. For the first time, he has found someone he perceives as a worthy rival, and he becomes singularly focused on understanding the source of Hikaru's mysterious strength and ultimately surpassing him. This pursuit becomes the primary engine of his character arc, driving him to join the Go club at Kaio Middle School and later to take the professional qualifications exam to get closer to Hikaru.

Akira's role in the story is inextricably linked to Hikaru. He serves as Hikaru's ultimate goal, the tangible representation of professional excellence and dedication that motivates Hikaru to move beyond simply acting as a vessel for Sai and to develop his own genuine passion and skill for the game. Their relationship is the emotional core of the narrative, evolving from distant rivals to a more complex and respectful friendship. While Hikaru chases after Akira's acknowledged talent, Akira secretly chases after the ghost of Sai's ability he glimpsed in Hikaru, creating a dynamic of mutual admiration and misunderstanding. Other key relationships include that with his father, Koyo Toya, for whom he has immense respect and from whom he constantly seeks approval, and with older professionals like Seiji Ogata, who act as his mentors and observers of his growth.

Throughout the series, Akira undergoes significant development. He begins as a somewhat lonely prodigy, isolated by his own talent. His obsession with Hikaru initially makes him more fierce and serious, even leading him to be harshly professional when tutoring other students like Kosuke Ochi. He struggles internally with the idea of Hikaru as his rival, sometimes lying to himself about it, but eventually accepts and embraces their bond, which tempers his arrogance and gives him a peer with whom he can share his journey. By the end of the story, at age fifteen, he has matured into a young man who not only possesses extraordinary skill but also a deeper understanding of the human connections that make the game meaningful.

As a player, Akira is exceptionally talented and quickly rises to the rank of 3-dan as a professional. His playing style is aggressive and strategic; he is known for cutting off his opponents while skillfully balancing the control of territory with influence over the center of the board. His abilities are so formidable that he passed the professional qualification exam without a single loss, a testament to his dominance among his peers. His notable abilities extend beyond pure tactics to include an intense, almost supernatural focus and a profound respect for the game, which he demonstrates by playing each move with serious, composed determination.