Serigaya Kaoruko

Serigaya Kaoruko (芹ヶ谷 薫子) is a 1st year student of Kounan. She is a key individual in Hanesaki Ayano's life. Kaoruko is a tall girl with pink eyes and long hair of the same color that she has tied into twin tails. At school, she wears the standard Kounan High uniform. Kaoruko is a very confident, boastful, and excessively self-conscious, in addition to talking like an ojou-sama. She initially compared to herself to a butterfly, stating that others simply followed her, and added that she didn't have any rivals in the prefectural tournament. Despite this, she is the one who knows Ayano well the most, and helped her come to terms with her personality and made her realize that she wanted to be a kind person. Kaoruko is shown to have feelings for Tachibana Kentarou, mentioning that he was cool.