"Haruaki Akai is one of the main characters in the popular Japanese manga series ""My Grimreaper Bodyguard."" He serves as the titular character's best friend and confidant, and plays a crucial role in the series' plot.

Haruaki Akai is a tall, slender young man with short black hair that is styled in a spiky fashion. He is always seen wearing his school uniform, which consists of a white shirt, black pants, and a red tie. His most distinguishing features are his bright blue eyes which are often described as the ""windows to his soul.""

Haruaki is known for his outgoing and friendly personality, which makes him very popular among his peers. He is especially close to his childhood friend, the main protagonist of the series, and the two often get into mischief together. Despite his easy-going nature, Haruaki is very protective of his friends and will go to great lengths to defend them.

One of Haruaki's defining characteristics is his unwavering loyalty to his friends. He is fiercely dedicated to helping the main protagonist throughout their dangerous adventures and is willing to put himself in harm's way to ensure his friend's safety. This loyalty is also what led him to become a Grimreaper bodyguard, as he wanted to help protect those he cared about.

Despite his kind-hearted nature, Haruaki does have a mischievous streak. He often teases his friends, especially the main protagonist, and enjoys playing pranks on them. However, his pranks are always harmless and are part of his charming personality.

Overall, Haruaki Akai is a loyal, kind-hearted, and mischievous character who plays a vital role in the ""My Grimreaper Bodyguard"" series. His unwavering loyalty and dedication to his friends make him a fan-favorite character and one of the most memorable characters in the franchise."