Igarashi Mitsuru (五十嵐充) is the ex-band leader of Every Little Thing. While with them he was producer, lyricist, composer and arranger of virtually every song they released. He left Every Little Thing in 2000 after the release of their third album, eternity, though the reason is unknown.
- Birthdate: May 17, 1969
- Birthplace: Tokyo
- Height: 172cm
- Blood type: A
- Favorite Artist: David Foster