!, Soul Eater, Wolf's Rain, Ouran High School Host Club, Ajin: Demi-Human, Fullmetal Alchemist: Brotherhood, Free!, Hunter x Hunter, Chihayafuru, Bungo Stray Dogs, Uta no Prince-sama, Zombieland Saga, and Pluto.

[1][2] He joined Himawari Theatre Group under the influence of his older brother Shota, though he did not attend the class often.

After entering high school and due to the uncertainty he felt toward the future, Miyano skipped singing and dance lessons.

[6] He voiced Riku in the Japanese version of the video game Kingdom Hearts[5] and played his first anime role in Shin Megami Tensei: Devil Children - Light & Dark.

[citation needed] Miyano voiced Light Yagami in the anime series Death Note.

[5] Miyano made his singing debut, releasing his first single "Kuon" (久遠, Eternity) for King Records label on May 28, 2007.

[11] "Kuon" debuted at #47 on the Oricon charts which became the finale theme song in the anime series Kōtetsu Sangokushi.

He won his first award, "Best Voice Actor", at the 2008 Tokyo International Anime Fair for his portrayal of Light Yagami and Setsuna F.

[16] On June 4, 2008, he released his second single, "Discovery", used as which became the intro song for the video game Fushigi Yūgi: Suzaku Ibun.

He voiced Tamaki Suoh in the anime version of Ouran High School Host Club, Rintaro Okabe in Steins Gate, Ling Yao in Fullmetal Alchemist: Brotherhood, Oda Nobunaga in Nobunaga the Fool, Rin Matsuoka in Free!, and Osamu Dazai in Bungou Stray Dogs.

[32] In December 2018, Miyano appeared at the FNS Music Festival, alongside Nana Mizuki and Hiromi Go.

In December 2024, Miyano has voiced Michael Kaiser's debut in the anime series Blue Lock for its second season thus far.