Hiyoki enters as a senior high school student in the first day of school.She thought her high school life would be just like any other normal experience but much to her expectations she met Yamato, a boy who is in love with his late childhood best friend and even owns a human-sized doll that resembles his first love. Now, Hiyoki approached Yamato and the two seems to enjoy each others' company. Will this be a beginning of friendship or will there hearts bloom for each other?