Also at the age of 14, Miyazaki began to draw international attention for her role as the survivor of a traumatic bus hijack in Shinji Aoyama's Eureka.

Later, Miyazaki won Best Actress award in the Cinemanila International Film Festival for her performance in Harmful Insect.

[3] Miyazaki has appeared in commercials for major corporations including Aflac, Tokyo Metro, NTT DoCoMo and Olympus.

She travelled with her older brother and fellow actor, Masaru Miyazaki,[5] to Bangladesh[6] in 2005 to experience poverty firsthand, and they highlighted the problems then found in their 2006 photobook Tarinai Peace.

[7] Miyazaki took part in the Gold Ribbon Walking event in Roppongi, Tokyo in 2008 to raise awareness and funds for childhood cancer.