
Aki's age is not explicitly stated in the manga series or its anime adaptation, but he is portrayed as a young adult in his late teens or early twenties.
Who is Aki in Chainsaw Man?
Aki Hayakawa is one of the main characters in the popular manga series "Chainsaw Man" by Tatsuki Fujimoto, and he is quite a complex character. At first glance, Aki may come across as reserved and serious, but as the series progresses, one discovers that there's much more to him than meets the eye.

Aki is a member of the Public Safety Devil Hunters, a group tasked with eliminating devils who pose a threat to humanity. He's a skilled fighter and a valuable asset to the team, but he also struggles with the burden of his duties and the trauma of losing his family to a devil attack.
Despite his tough exterior, Aki has a soft spot for his friends and is fiercely loyal to those he cares about. He forms a close bond with the protagonist of the series, Denji, and the two become an unstoppable duo as they take on dangerous devils and navigate the treacherous world of devil hunting.
So, whether he's battling ferocious beasts or dealing with the emotional turmoil of his past, Aki is a character who will leave a lasting impression on readers with his strength, vulnerability, and unwavering spirit.