Mitsuoka Masami (光岡昌美) is a Japanese pop singer from Toyota, Aichi. She is currently signed with the indies label Sound Move and the management office Smile Company. Under the stage name MASAMI, Mitsuoka was a member of the vocal & dance unit Sister Q (2005-2006). After the group disbanded, Mitsuoka signed with Pony Canyon and started her solo career with her debut single "Hana" in 2007. Months after the release of her fifth single, Mitsuoka issued a press release in August that announced her change of name, music, and label.
Under the new label Nippon Crown, Mitsuoka decided to use the stage name Mizca and release electro-pop music. Mizca debuted in October with the digital single "Robotics". After two years under the new persona, Mitsuoka reverted back to her previous name and sound. She is resuming her music career with the release of PAST TRUNK, her first studio album in three years.
- Real Name: Mitsuoka Masami (光岡昌美)
- Stage Names: Mizca (2009-2011), MASAMI (2003-2006)
- Birth Date: August 14, 1986
- Birth Place: Toyota, Aichi Prefecture, Japan
- Height: 156cm (5'1")
- Blood type: B
- Shoe Size: 22.5cm
- Hobbies: Interior design, rearranging rooms, looking after Jill (her pet dog).
- Abilities: Making confections and pastries, writing poetry, nail art, my pace.
- Favorite Word: Thank You (ありがとう)
- Favorite Food: Sundubu jjigae, Yakiniku
- Favorite Subject: Language
- Favorite Movies: The Green Mile, The Parent Trap
- [2007.11.28] Hana (Flower)
- [2008.08.06] Distance Love / I am
- [2008.11.19] Todokanai Omoi... ~Road another story~ (届かない想い...～ロードanother story～; Feelings That Won't Reach You)
- [2008.12.17] last cross
- [2009.02.11] FREE BIRD
- [2010.01.20] Kirakira☆ (キラキラ☆; Sparkling) (Mizca)
- [2010.06.02] Dame yo♡ (ダメよ♡; This is Bad) (Mizca)
- [2011.03.09] 1925 (Mizca)
- [2011.06.15] Rafiora (らふぃおら; Life Is All Right) (Mizca)
- [2014.12.10] say hello good days
- [2012.05.23] LOVE BRACE / innocence (Tower Records Exclusive)
- [2009.10.28] Robotics (Mizca)
- [2010.12.04] Hoshi no Tsubutsubu (星のつぶつぶ; Granulated Stars) (Mizca)
- [2011.12.14] OUT of STEP
- [2012.04.11] LOVE BRACE
- [2012.11.28] Hajimari no Hi (はじまりの日; Beginning of Day)
- [2013.03.13] Nijiiro no Hana (虹色の花; Rainbow Colored Flower)