Mika Kobayashi

Mika Kobayashi (小林未郁, Kobayashi Mika; born May 31, 1978) is a Japanese singer and songwriter. She is usually chosen as a vocalist by Hiroyuki Sawano. 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.

Read more about this composer on Wikipedia.