"Takeru is one of the main characters in the Japanese manga ""My Classmate Was a Dude"". Takeru is a young male student who attends the same high school as the protagonist, Akira. He plays a significant role in the story and is an essential member of the main cast.

Takeru is a handsome young man with short black hair and a lean muscular build. He usually wears the standard high school uniform, but he occasionally dresses in casual streetwear when he is off-duty. Takeru's personality is one of the most complex and interesting in the manga. He is a stoic and reserved individual, often coming off as unapproachable, but he has a kind heart and is quick to help when given the chance.

Takeru is known for his intelligence and his ability to solve problems. He is an excellent student who often excels in his classes, and he is the go-to person for help with homework or assignments. Takeru takes his studies seriously and often puts in a lot of effort to achieve good grades.

Takeru's most notable trait is his calm and composed demeanor. Even in the most stressful situations, he remains levelheaded and analytical, which makes him a valuable asset to the group. Takeru's cool and collected nature often helps calm down the other characters, who tend to be more impulsive and temperamental.

Although Takeru is generally introverted and reserved, he has a few close friends whom he values greatly. He is especially fond of Akira, his classmate and the story's protagonist, whom he often helps out of tough situations. Takeru has a strong sense of loyalty and will do whatever it takes to protect his friends from harm.

In conclusion, Takeru is a multi-dimensional character who adds depth and complexity to the manga ""My Classmate Was a Dude"". He possesses many admirable traits, such as intelligence, calmness, and loyalty, which make him an endearing and essential member of the cast. Takeru's story arc is one of the most compelling in the manga, and his development throughout the story is worth following."