Miyamura has also released various CD albums as a singer. Additionally, she also had a short on-screen role in the movie Battle Royale as the video announcer of the event's rules. She is affiliated with Techno Sound as a sound director and Japan Action Enterprises as a seiyū. Miyamura was diagnosed with Graves' disease in May 2007 after suffering exophthalmos. She is currently living in Melbourne, Australia.