Hino is a second year student at the Seiso Academy in the 'Gen Ed' department, and the protagonist of, La Corda D'oro. She lives with her mother and older sister as well as having an older brother studying in a university.
Near the ending of the manga, Kahoko realizes her feelings for Len Tsukimori and the both of them ended up together. She was given a violin by the fairy Lili for being able to see him. At first she was very nervous about this but soon finds that with the help of the other characters she has found her passion. She also changes the lives of others such as Len Tsukimori when she helped teach him that music is about heart not just talent or helping Shimizu Keiichi finding his sheet music.