Yamato and Kakeru are childhood friends. While Yamato gets good grades and is good looking, Kakeru's grade are below average and his appearance is pretty plain. Even though they are childhood friends, Yamato is in a higher level than Kakeru, and Kakeru thinks of Yamato as a "good guy." One day they are alone in their classroom and Kakeru asks Yamato, "Do you like someone?" to which Yamato murmurs "Kakeru."