Kinnosuke Nakamura, often referred to as Kin-chan, is a lively and earnest character in the anime series 'Itazura na Kiss.' He is a close friend of the protagonist, Kotoko Aihara, and harbors deep romantic feelings for her. Despite knowing Kotoko's affection for Naoki Irie, Kinnosuke remains supportive and protective, often providing comic relief with his heartfelt yet clumsy attempts to win her heart. His unwavering loyalty and kindness make him a beloved character, showcasing the value of friendship and unrequited love in the series.