She is the voice behind some anime songs, like Attack on Titan, Kill la Kill, Blue Exorcist, Seraph of the End, and Mobile Suit Gundam Unicorn; she has also sung songs for video games like Final Fantasy XI and Xenoblade Chronicles X.

In 2010, she started to perform abroad, which she tends to do annually, mainly in Europe.

[4] In 2019, she came to Brazil to perform at Anime Friends,[5] one year after she released the album "Mika Type Ro".

[6] She also performed in Thailand for the second time,[7] where she revealed her work process with Sawano consists of receiving a demo from him and sing according to her own feelings.

[8] However, when it comes to her personal albums, she writes her own songs, using a piano.