is the lead singer of the Japanese heavy metal

Heavy metal music

Heavy metal is a genre of rock music that developed in the late 1960s and early 1970s, largely in the Midlands of the United Kingdom and the United States...

 band, Onmyo-Za

Onmyo-Za

Onmyo-za are a Japanese heavy metal band who released their first album in 1999. They play quite orthodox heavy metal music, mixed with elements from Japanese folk and pop music, and play both fast, hard songs and slow ballads...

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After being part of some local bands, she and Matatabi, who is the leader and the main songwriter, formed Onmyo-za in Osaka in 1999. "Kuroneko" means a black cat

Black cat

A black cat is a feline with black fur. It is not a particular breed of cat and may be mixed or of a specific breed. The Bombay, known for its sleek black fur, is an example of a black cat. The all-black pigmentation is equally prevalent in both male and female cats...

and she had used that stagename before Onmyo-Za started. The other members of Onmyo-Za also use stagenames related to cats.