Aihara is an earnest company employee who belongs to a working adult orchestra and has not been able to forget his first love from high school. Then one day, Hayama, a classmate he has feelings for, joins the orchestra. Aihara, who used to be a member of the brass orchestra, has a secret routine of cheering for him on the trumpet, as he was the baseball team’s ace. It is impossible not to have a crush on Hayama, who has grown up and become even better looking after an eight-year absence. “I couldn’t forget you, Aihara.” The words that were told after practice made time that had stopped, and his love moved once more... And when Hayama pushes him down with a kiss different from “that time,” his aching heart and body couldn’t stop--! A dramatic reunion of love that will refrain the youth.