Tsubaki Hibino is the main protagonist of Kyou, Koi wo Hajimemasu. She loves doing her little sister's hair but doesn't think the cute styles suit her at all. As a result, she braids her hair everyday and wears old-fashioned clothes and is often teased at school for this. Kyouta Tsubaki makes her his next "target", and she ends up falling in love with him.