"Akuru Akutsu is a major character in the Japanese manga series called Aho Girl. He is a high school student who is known for being extremely intelligent and serious. He is also the neighbor and childhood friend of the protagonist, Yoshiko Hanabatake.

Akuru is often seen as a stoic and no-nonsense character, which is in stark contrast to Yoshiko's silly behavior. He has a short temper and gets easily annoyed by Yoshiko's antics, often resulting in him hitting her with a wooden sword. Despite this, Akuru cares deeply for Yoshiko and is often willing to help her out when needed.

Akuru's intelligence is highlighted throughout the series, as he is shown to excel in academics and is often the top of his class. He is also skilled in martial arts and is shown to be able to hold his ground in fights. His serious demeanor and intelligence often make him the voice of reason among his classmates.

Despite his strict demeanor, Akuru does have a softer side. He is shown to enjoy playing video games and has a fondness for cats. He is also implied to have feelings for Yoshiko, although he is often too embarrassed to admit it.

In conclusion, Akuru Akutsu is a complex character who is known for his intelligence, serious demeanor, and short temper. His relationship with Yoshiko is a central theme of the series, and his role as the voice of reason among his classmates is an important aspect of his character."