Asagi Aiba is a major supporting character in Strike the Blood and one of Kojou Akatsuki’s close friends and allies. She is a highly intelligent student and a skilled programmer with exceptional technical and analytical abilities. Asagi often helps uncover information, solve problems, and support the main cast through her knowledge of computers and systems. She also has a strong, lively personality and develops clear romantic feelings toward Kojou, making her an important emotional presence in the series.