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Masumi Itō (伊藤 真澄,Itō Masumi, born May 21) (she also goes by the pseudonymHikaru Nanase (七瀬 光,Nanase Hikaru)) is a Japanese singer and composer fromIbaraki prefecture in Japan.^[1] Itō has composed the soundtracks to manyanime television shows and is part of the bandsOranges & Lemons andHeart of Air.

• 2001-12-29: "Hitomi no Naka ni" — PS gameSister Princess: Pure Stories theme song)
• 2003-04-23: "Yasashii Ai no Hane/Nemunemu Tenshi" — anime television seriesAngel Tales opening & ending theme)
• 2004-05-26: "Futari Dakara" — anime television seriesKoi Kaze ending theme
• 2005-06-29: "Shōnen Humming" — anime television seriesAbsolute Boy ending theme

• 1997-06-21:Waste days[From METAL BLACK -The First-]^[2]
• 1998-10-11:Door: Drifting Souls
• 2001-11-07:Hana no Oto
• 2003-12-26:Yumefuru Mori e
• 2004-07-22:Harmonies of heaven
• 2012-16-12:Wonder wonderful

• 2001-05-23: anime television seriesGyoten ningen batseelor theme song single – ending theme "Mahō no Kotoba"
• 2003-12-26: PS2 gamePrimopuel: Oshaberi Heartner theme song single — image song "Otsukisama to Rururu"
• 2006-09-06: PS2 gameBinchotan: Shiawase-goyomi theme song single – ending theme "Ashita no Hanakago"

• 2001-03-07:Kiss Me Sunlights — PS2 gameZOE opening theme
• 2001-06-27:Ring on the World — anime television seriesZ.O.E Dolores,i ending theme
• 2002-11-22:Blue Flow — anime television seriesHaibane Renmei ending theme

• 2003-02-05:Haibane Renmei Image Album: Seinaru Doukei
• 2003-05-21:Daichi no la-li-la — anime television seriesScrapped Princess ending theme

• 2006-05-10:Aru Hi no Kamisama — includes anime television seriesNishi no Yoki Majo: Astraea Testament ending theme "Kanata"

• Space Pirate Mito series (1999)
• Super Gals! Kotobuki Ran (2001)
• Z.O.E. Dolores, I (2001)
• Galaxy Angel series (2001, 2002, 2003, 2004)
• Magical Nyan Nyan Taruto (2001)
• Pita-Ten (2002)
• Azumanga Daioh (2002 – song performance & composition for character songs only)
• Chōjūshin Gravion series (2002, 2004)
• Scrapped Princess (2003)
• Da Capo (2003 – withYugo Kanno)
• Chrono Crusade (2003)
• Absolute Boy (2005)
• D.C.S.S.: Da Capo Second Season (2005)
• Gunparade Orchestra (2005 – withMasayoshi Yoshikawa)
• Noein: Mou Hitori no Kimi e (2005)
• Kagihime Monogatari Eikyū Alice Rondo (2006)
• Tactical Roar (2006)
• Nishi no Yoki Majo: Astraea Testament (2006)
• Koisuru Tenshi Angelique series (2006, 2007)
• Gift: Eternal Rainbow (2006)
• Venus Versus Virus (2007)
• Shinkyoku Sōkai Polyphonica (2007)
• KimiKiss pure rouge (2007 – with Yokoyama Masaru & Iwadare Noriyuki)
• Shigofumi (2008)
• Phantom: Requiem for the Phantom (2009)
• Canaan (2009)
• Infinite Stratos (2011)
• Hiiro no Kakera (2012)
• Jinrui wa Suitai Shimashita (2012)
• Beyond the Boundary (2013)
• RDG: Red Data Girl (2013) (withMyu)
• She and Her Cat: Everything Flows (2016) (part ofTO-MAS Soundsight Fluorescent Forest withYohei Matsui andMito)
• Flip Flappers (2016) (part of TO-MAS Soundsight Fluorescent Forest)
• Alice & Zouroku (2017) (part ofTO-MAS)
• Miss Kobayashi's Dragon Maid (2017)

• Angelique: Shiroi Tsubasa no Memoir (2000)
• Angel Sanctuary (2000)
• éX-Driver (2000)
• Angelique: Seichi yori Ai o Komete (2001)
• ZOE: 2167 IDOLO (2001)
• Ichigo 100% (2004, 2005)
• Book Girl OVA series (2009–2010)

• éX-Drive The Movie (2002)
• Book Girl (2010)
• Broken Blade (2010 – 2011: opening theme song arrangement withKokia)
• Beyond the Boundary -I'LL BE HERE- Past (2015)
• Beyond the Boundary -I'LL BE HERE- Future (2015)

• Official website(in Japanese)
• Masumi Ito andHikaru Nanase at Media Arts Database(in Japanese)
• Masumi Ito andHikaru Nanase profiles at Oricon(in Japanese)
• Masumi Itō atAnime News Network's encyclopedia
• Hikaru Nanase atAnime News Network's encyclopedia
• Masumi Itō atIMDb

• Anime composers
• Anime singers
• Japanese film score composers
• Japanese music arrangers
• Japanese women film score composers
• Japanese women singers
• Living people
• Singers from Ibaraki Prefecture
• 21st-century Japanese women composers
• 21st-century Japanese composers

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• Articles needing cleanup from January 2016
• All pages needing cleanup
• Wikipedia list cleanup from January 2016
• Articles containing Japanese-language text
• Articles with short description
• Short description is different from Wikidata
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• Pages using infobox musical artist with associated acts
• Articles with Japanese-language sources (ja)
• Year of birth missing (living people)