Katakiri Rekka, born December 8, is a female Japanese singer-songwriter. Her doujin circle is called CLOSED/UNDERGROUND.
Influenced by anime, 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.
She has been friends with Haruka Shimotsuki and Chata for a long time, and have formed groups with them before.