Taigi Asano 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. One day, Taigi takes on the challenge to create a cheering song for the high school baseball team. With Kenichi's support, Taigi creates the fight song "Ichifuna Soul." After graduating high school, Taigi enters a university and dreams of becoming a teacher like Kenichi. While experiencing campus life at his university, Taigi feels something wrong with his body. He goes to see a doctor and learns that he has cancer.

Suzu, uma adolescente, vive com o seu pai numa pequena aldeia nas montanhas. No mundo virtual chamado "U", Suzu é Belle, um ícone musical.

Yoshito Sato grew up with his mother Yasue after his father passed away. His mother ran a yakiniku (grilled meat) restaurant that his father had left behind. Yoshito enjoyed eating his mother's cooking and their restaurant was loved by many people. Things changed after popular food critic Tatsuya Furuyama published false statements about their yakiniku restaurant. Due to that, their restaurant saw a sharp drop in customers. Yasue worked hard to recover business for the restaurant. Due to Yoshito's behavior in wanting attention from his mom, Yasue decided to shut down the restaurant. Eighteen years later, Yoshito lives alone and he works as a freelance writer. One day, he takes work for a new online foodie website. He works with editor Shizuka Takenaka. Their first assignment involves yakiniku. Around that time, Yoshito hears that his estranged mother Yasue has collapsed.