Eiko Shimamiya (Shimamiya Eiko 島みやえい子) (also called EIKO atau PEKO), born April 20, 1965, is a female J-pop singer and member of the production group I've Sound since their first album. She is best known for bernyanyi the opening themes of the anime series Higurashi no Naku Koro ni. Eiko also handles a school called Shimamiya Size (S-size) in Sapporo, Hokkaido, Japan. She announced on May 10, 2010 via Twitter that she has been diagnosed with thyroid cancer. Her "Perfect World Live Tour", which was scheduled to begin in June, has subsequently been canceled. She made an announcement of...