A prominent Vocaloid composer. His name is usually stylized with an asterisk (DECO*27), and is pronounced "Deco Niina".
He was born in the year 1986, and his major influences include bands such as Bump of Chicken and Blink 182. DECO*27 plays a lefty Gibson Les Paul Jr Double Cutaway and often provides backing vocals to his Vocaloid songs; he is known for writing powerful, philosophical love songs that all reference and cross-reference each other. He currently owns Miku and Gumi, and while many of his Miku songs were big hits in Japan, he has shot to overseas fame with his Gumi rock ballad Yowamushi Montblanc. Whenever he produces a new song, it is likely to spend an ungodly amount of time on Nico Nico Douga's weekly ranking (Mozaik Role has spent five months up there and is still going strong).
Many of DECO*27's recent works have been produced with music videos created by amateur animator akka; the two started working together after she created an unofficial PV for his song Nisoku Hokou (Two Breaths Per Step). After seeing its quality, DECO*27 commissioned her to make the PV for Yowamushi Montblanc, and the rest is history. The two often work with illustrator mirto, and the three sometimes call themselves the "Amatou Trio".
DECO*27 has announced that he wants to try shifting from an indies, Vocaloid sound to a full band sound, and his upcoming album Aimai Elegy will feature a number of songs either performed or covered by marina (who was the musical half of Angel Beats!' own Iwasawa Asami, original lead singer of Fake Band Girls Dead Monster). This is a progression from his previous albums, which often include popular utata covers of his singles.
- Sou Ai -so i- (2009)
- No You, No Me (2009)
- Love Gazer (2009)
- Sou Ai Sei Ri Ron (2010)
- Parallel world (2010)
- Aimai Elegy (2010)
- Yume Yume (2012)
- Decoustic (2012)
- DECO*27 VOCALOID COLLECTION 2008~2012 (2013)
- Conti New (2014)
- Ghost (2016)
- Love Calender (2018)
- Android Girl (2019)
Tropes relating to Deco*27 include:
- Hurricane of Puns: In the lyrics, in the titles; Deco*27 has this trope in spades.
- Sequel Song: All over the place, with the references and connections in lyrics and music videos. Ai Kotoba and its two sequels also count.
- Unexpected Character: Ten years later, not many people were expecting Deco*27 to release a sequel to 2009's Nisoku Hokou.