A great pianist who appeared in front of Dai when he came to Tokyo. 
He started playing the piano at the age of four and is always thinking about jazz. 
He forms a trio with Dai and Tamada.

Dai Miyamoto's life is turned upside down the day he discovers jazz. A former high school basketball player, Dai picks up a saxophone and begins practicing day and night, determined to become one of the greatest of all time. He leaves his hometown Sendai for the bustling nightclubs of Tokyo, but soon finds the life of a professional musician is not for the faint of heart. His passion eventually wins over the cocky but talented pianist Yukinori, and after Dai convinces his friend Shunji to learn the drums, they launch a new jazz trio whose rough sound contains a raw energy that quickly wins attention from local audiences. But what does it take to truly be great? 
 
(Source: GKIDS)

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Japanese actor.

He also provides the voice of Phineas Flynn in the Italian dub of Phineas and Ferb.

Dai lived a normal high school life in Sendai: a city of hot summer days and rainy nights. Between basketball, part time jobs, and an uncertain future, something was missing. And that thing was music. With his days in senior year running out, Dai swears a heartfelt vow: “I’m gonna be the best jazz player in the world.” 

But what do you need to be the best? Talent? Effort? A lucky break? Or maybe just a deep, pure love for music, and too much stubbornness to know when to quit.
 

(Source: Seven Seas Entertainment) 
Note: Nominated for the 22nd Tezuka Osamu Cultural Prize.

All roads lead to jazz!
 
After passing his driver's license in Japan, Dai Miyamoto left for the United States with only his tenor saxophone. He learned that Yukinori, a member of his first band, was also there... Dai landed in Seattle, on the West Coast. An experimental adventure begins for the young man, who seeks to create a new sound by discovering the cities and regions of this immense country!
 
(Source: Glénat, translated)

Yukinori Sawabe