Kei Haneoka studied music at the Department of Music at the Nihon University College of Art, specializing in music composition. While studying music, Haneoka began composing music for stages, commercials, and films. Since graduation, Haneoka has worked mainly
on soundtracks for TV dramas, films, and animations as well as providing music to artists.
Haneoka’s work includes music for TV dramas such as "SOLOMON’S PERJURY" (WOWOW), "TOKYO MER" (co-produced with TBS), “TEAM BATISTA” series (Fuji TV), movies such as "FLEA-PICKING SAMURAI" (directed by Yasuo Tsuruhashi), "HOSHI MEGURI NO MACHI" (directed by Mitsuo Kurotsuchi), animation such as "LIFE LESSONS WITH URAMICHI ONIISAN" (TV Tokyo, etc.), "KAGUYA-SAMA: LOVE IS WAR (MX, etc.), "MONOGATARI (SERIES)" (ZOKU OWARIMONOGATARI, OWARIMONOGATARI, TSUKIMONOGATARI, HANAMONOGATARI)(MX etc.), POWER RANGERS "RESSHA SENTAI TOQGER” (TV Asahi), and many others.