"Gaku Hanejima is one of the main characters in the Japanese manga series ""The Right to Invoke."" He is a skilled warrior and one of the most powerful characters in the story.

Gaku Hanejima is a tall, muscular man with short black hair and piercing blue eyes. He is typically seen wearing a black leather jacket and jeans, a stark contrast to the more traditional attire of some of the other characters in the series.

Gaku is known for his remarkable physical strength, as well as his incredible ability to read the emotions and movements of his opponents. He is a master of hand-to-hand combat and is skilled with a variety of weapons, including swords and guns.

Despite his formidable combat skills, Gaku is also shown to have a softer side. He is fiercely loyal to his friends and allies and will stop at nothing to protect them. He is also surprisingly astute and often provides valuable insights and strategies that help the group overcome challenges and obstacles.

Throughout the series, Gaku becomes increasingly important to the overall plot. He is one of the only characters who is capable of invoking the powerful ""Right to Invoke"" spell, which allows him and his allies to access incredible powers and abilities.

However, Gaku's power also attracts a great deal of attention from dangerous enemies. As the series progresses, Gaku finds himself facing increasingly difficult challenges that test his strength, skill, and resolve.

Overall, Gaku Hanejima is a compelling and complex character who adds a great deal of depth and excitement to ""The Right to Invoke."" His impressive combat skills and unwavering loyalty make him a fan favorite, while his subtle emotional depth and intelligence make him a truly unique and engaging hero."