Rekka Katakiri

Rekka's doujin circle is called CLOSED/UNDERGROUND.

She has been friend and has formed groups with Haruka Shimotsuki and Chata for a long time.
She started working in the fields as a vocal, net seiyuu, composer and lyricist when she first started high school. In 2004, she released the album "Min no Uta" as her major debut. In 2006, the ending theme to Higurashi no Naku Koro ni, "Why, or why not", marked her debut as an anime song artist.

(Source: Wikipedia)

Twitter: @katakiri_rekka