"Kotaro Tozuka is one of the main characters in the Japanese manga ""Miss, Something's Wrong With You"". He is a tall, slender young man with tousled black hair, sharp features, and a serious expression on his face. Kotaro is a third-year high school student who is known for being a top student and a natural born leader. The character name of Kotaro Tozuka is mentioned several times throughout the manga, highlighting his importance in the story.

Despite his academic prowess, Kotaro is not socially adept, struggling to communicate and read people's emotions. He is often perceived as cold and aloof, which causes him to struggle in making friends and forming relationships. In fact, Kotaro has been nursing a crush on the main character, Rena, for years, but is too insecure to confess his feelings to her.

Kotaro is seen as a perfectionist, pushing himself hard to excel in everything he does. This drive for perfectionism is rooted from his upbringing, where he was constantly pressured to be the best by his parents. Despite this, Kotaro's excellence is not only limited to academics, but also extends to sports, where he excels in track and field events.

In the manga, Kotaro's character is further developed as he struggles to overcome his social anxiety and learn to navigate the complex world of relationships. He is shown to gradually open up to people, revealing a more caring and empathetic side to his personality. He forms friendships with his classmates and even becomes Rena's confidante, offering her support and guidance in her struggles.

Overall, Kotaro Tozuka is a complex character with a multifaceted personality. His character development throughout the manga shows a transformation in his approach to relationships, moving from being cold and distant to being more open and compassionate. His struggles with social anxiety and his perfectionist tendencies make him relatable to many readers, giving the manga a realistic and authentic feel."