Blue Giant

Blue Giant is a manga series written and illustrated by Ishizuka Shinichi. There is an ongoing sequel under the name Blue Giant Supreme.

Plot
A high school 3rd year student, Miyamoto Dai, whose heart was touched by Jazz, continued to play the Saxophone alone in Kawahara, rain or shine, day or night, for many years. "I want to become the world's best Saxophone player...!...

Official
Official Website