η³δΊιδ½³ (Ishii Rika) is a Japanese singer, songwriter, actress and model. She debuted in October of 2000 under the name Peachy.
In October of 2001, Ishii transfered to UP-FRONT AGENCY, changing her name to Ishii Rika (η³δΊγͺγ«). She left Hello! Project in late 2002. Later on, she began performing lives under her real name once again in May 2003.
