Kosuke Terayama

Artist Information

Name: Kosuke Terayama (寺山幸助)
Birthdate: December 16th, 1986
Website: https://otoiro.co.jp
X: https://x.com/DECO27
YouTube: https://www.youtube.com/@DECO27

Profile

Kosuke Terayama, also known as DECO*27 (デコ・ニーナ), is a VOCALOID song producer and utaite from Fukuoka who has been active since 2008. He currently manages the creative studio OTOIRO.

Trivia

Aside from ツーマンライブ, all of Kosuke's BEMANI appearances have been from licenses.
Kosuke has also appeared in BANDAI NAMCO's Love Live! Nijigasaki High School Idol Club and SEGA's CHUNITHM, maimai, and project SEKAI series.

Aliases

DECO*27

BEMANI Songs

Song	Artist	Game	Genre	Composition	Arrangement	Lyrics
踊	Ado	beatmania IIDX 29 CastHour	J-POP	-	-	✓
ヒバナ-Reloaded-	DECO*27	DANCE aROUND	-	✓	-	✓
パラサイト	DECO*27 feat.初音ミク	DANCE aROUND	-	✓	-	✓
ヴァンパイア	DECO*27 feat.初音ミク	DANCE aROUND	-	✓	-	✓
愛言葉	DECO*27	DanceDanceRevolution A	-	✓	✓	✓
ライアーダンス	DECO*27	DanceDanceRevolution A / DanceDanceRevolution A20	-	✓	✓	✓
妄想税	DECO*27	DanceDanceRevolution A	-	✓	✓	✓
毒占欲	DECO*27	DanceDanceRevolution A20	-	✓	✓	✓
39	sasakure.UK＆DECO*27	jubeat festo	-	-	✓	✓
ゴーストルール	DECO*27	jubeat festo	-	✓	-	✓
妄想感傷代償連盟	DECO*27	jubeat festo	-	✓	-	✓
防衛本脳	Daisy×Daisy	jubeat plus	-	✓	✓	✓
モザイクロール	DECO*27	pop'n music peace	-	✓	✓	✓
ストリーミングハート	DECO*27	SOUND VOLTEX VIVID WAVE	-	✓	✓	✓
弱虫モンブラン	DECO*27	SOUND VOLTEX VIVID WAVE	-	✓	✓	✓
Q	Mori Calliope, Gawr Gura	ポラリスコード	-	✓	-	✓
ラビットホール	DECO*27	ポラリスコード	J-POP	✓	-	✓
ツーマンライブ	東雲夏陽 meets 日向美ビタースイーツ♪	(ひなビタ♪)	-	✓	✓	✓

Discography

僕みたいな君　君みたいな僕 (2008)
deco27 (2008)
奏愛-so i- (2009)
No You, No Me (2009)
ラヴゲイザー (2009)
相愛性理論 (2010)
パラヴレルワールド (2010)
愛迷エレジー (2010)
ライトラグ (2011)
エゴママ/恋距離遠愛 (2011)
ゆめゆめ (2012)
ラブカレンダー (2012)
DECO*27 VOCALOID COLLECTION 2008~2012 (2013)
Conti New (2014)
DECO*27 ONE TIME SELECTION (2016)
GHOST (2016)
アンドロイドガール (2019)

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