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.+