Kawasaki Yuuma is the sole member of the school's broadcasting drama club, and known throughout the school as somebody who has a 'Seven Colored Voice'; somebody who has many different voices. Due to this, he gained the nickname 'Orpheus of the Third Block (school building) along with popularity. One day, he received a request to put on a play for the cultural festival. But along with this challenge comes a 'large danger'.


With the help of his friends: Inumaru and Tsukiko, Yuuma faces these worries and works towards the school festival. However, an encounter with his crush Ikuta Mashuu, Yuuma's high school youth takes a big turn...