Mi-kun, also known as Kanako Saeki, is a minor supporting character in the anime and visual novel series D.C. ~Da Capo~. She is a classmate and one of the closest friends of Kotori Shirakawa, alongside Tomoko Morikawa. The three are often referred to as Kotori’s advisers. Mi-kun’s nickname is derived from her older brother Mikihiko, for whom she feels deep affection. She is a talented pianist and plays that instrument in a band that Kotori fronts as vocalist and Tomoko plays guitar. Her personality is cheerful, supportive, and upbeat, and she frequently offers friendly advice to Kotori. In the story, Mi-kun’s role is that of a loyal friend who helps Kotori navigate social and personal situations, and she participates in school music activities. She does not possess any supernatural abilities; her notable trait is her musical skill. Her development is limited, as she remains a consistent side character who reinforces themes of friendship and shared hobbies. Her key relationships are with Kotori, her bandmates, and her brother, whom she admires. Her primary motivation is to support her friends and enjoy making music together.