Wakana Ootaki is a Japanese pop singer. She was one of the vocalists of the FictionJunction project started by Yuki Kajiura, and is a core member of the vocal group Kalafina. She is currently signed w

"Oblivious" is the first single by the Japanese girl group Kalafina, with the two original members Wakana Ootaki and Keiko Kubota. All three tracks are used as theme songs in the first three Kara no K