Located in the seventh school district of the huge academy city group, Thrive Central, is Tenshou Private Academy.

Although Saku Otonomiya has some troubles after transferring in, he feels comfortable with his new, important friends after interacting with them in the quirky singing and archeology clubs.

After meeting the seemingly unfriendly, but good-looking Sousuke Kagura and the elusive Uta Outa who says crazy things, he learns about the enjoyment of music.

They cry and laugh, and even sometimes get into fights.

It’s during these casual everyday things that Saku notices an unprecedented change in himself…

This is the story of the ACTORS' youth as they try to live it up every day.

Tokise high school’s koto music club is on the verge of being abolished.

All that is left is the club president when a delinquent young boy visits along with a girl who is a genius with koto music.

This story of the sound of koto from each student all come together to tell this story of youths at an academy.