Normal face, normal style, bad at sport, bad marks. The middle of middle (no, lower!?) girl, Kotoha, is a childhood friend of Kanade who is handsome and clever. Secretly Kotoha loves Kanade, but Kanade always act cold towards her….

Kotoha wants to be able to be friends again with him by calling him 'Kana-chan' like in the past, but he got angry because of that….

That time, she got close to the class playboy Haruta…?