Taigi Asano (Fuju Kamio) plays the trombone for the Funabashi High School Brass Band. He has a bright, kind and honest personality. He also gets along well with the other brass band members. He enjoys his time with the band and the influence of Music Teacher Kenichi Takahashi (Koichi Sato). One day, Taigi Asano takes on the challenge to create a cheering song for the high school baseball team. With Kenichi Takahashi’s support, Taigi Asano creates the fight song "Ichifuna Soul."