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Chouchou-P (蝶々P), also known as papiyon (パピヨン), is a music producer from Nagano Prefecture, Japan. He joined the VOCALOID scene on June 2008. Several of his songs have recorded over 1 million views, with E? Aa, Sou. as his most notable work as a VOCALOID producer.

In 2017, he debuted as a singer-songwriter, going by the name Yu Ichinose (いちのせ ユウ).

He was born on May 23rd.

Works[]

Links Title Featuring Date Roles
シューティング・スター (Shooting Star) Hatsune Miku June 20, 2008 music, lyrics
MESSAGE Hatsune Miku January 23, 2009 music, lyrics
純愛フィロソフィー (Jun'ai Philosophy) Hatsune Miku June 20, 2009 music, lyrics
歪んだ世界 (Yuganda Sekai) Hatsune Miku September 24, 2009 music, lyrics
for you Hatsune Miku September 25, 2009 music, lyrics
2つの恋,1つの歌 (Futatsu no Koi, Hitotsu no Uta) Hatsune Miku October 27, 2009 music, lyrics
[nn] "ラブアトミック・トランスファー" Hatsune Miku December 14, 2009 lyrics, compose, arrange
恋率方程式 (Renritsu Houteishiki) Hatsune Miku February 11, 2010 music, lyrics
背中合わせの僕と君 (Senaka Awase no Boku to Kimi) Hatsune Miku February 12, 2010 music, lyrics
[nn] "え?あぁ、そう。" Hatsune Miku March 22, 2010 music, lyrics
デンドロビウム・ファレノプシス (Dendrobium Phalaenopsis) Hatsune Miku May 08, 2010 music, lyrics
星屑メソッド (Hoshikuzu Method) Hatsune Miku July 20, 2010 music, lyrics
[nn] "心拍数♯0822" Hatsune Miku Dark August 21, 2010 producer
スク水☆パラダイス (Sukusui ☆ Paradise) Hatsune Miku August 31, 2010 music, lyrics
Specification Hatsune Miku October 11, 2010 music, lyrics
バナナのうた (Banana no Uta) Hatsune Miku December 17, 2010 music, lyrics
飴玉サイコロジスト (Amedama Psychologist) Hatsune Miku February 02, 2011 music, lyrics
はちみつハニー (Hachimitsu Honey) GUMI February 22, 2011 music, lyrics
Love Trigger GUMI May 09, 2011 music, lyrics
Philosophy of Precious Love Hatsune Miku August 22, 2011 music, lyrics
Glorious World Hatsune Miku October 20, 2011 music, lyrics
「I」 Hatsune Miku December 19, 2011 music, lyrics
NARAKA GUMI January 06, 2012 music, lyrics
[nn][yt] "Black Board" Hatsune Miku March 26, 2012 music, lyrics
[nn][yt] "クランベリー" GUMI June 28, 2012 music, lyrics
[nn] "見世物ライフ" Megurine Luka July 17th, 2012 piano
月見夜ラビット (Tsukimiyo Rabbit) Hatsune Miku September 12, 2012 music, lyrics
[nn] "Star Bright" MAYU December 4, 2012 music, lyrics
[nn][yt] "幻奏サティスファクション" Hatsune Miku April 9, 2013 music, lyrics
White Prism Hatsune Miku July 19, 2013 music, lyrics
Fictional World Hatsune Miku July 26, 2013 music, lyrics
Another Hero MAYU November 04, 2013 music, lyrics
[nn][yt] "心做し" GUMI January 5, 2014 music, lyrics
[nn] "About me" GUMI (English & V3 Whisper) February 05, 2014 music, lyrics
白熱灯と歪曲線 (Hakunetsutou to Waikyokusen) Hatsune Miku May 21, 2014 music, lyrics
アイロニックメタファー (Ironic Metaphor) Hatsune Miku July 25, 2014 music, lyrics
End of the World Hatsune Miku September 10, 2014 music, lyrics
路地裏ユニバース (Rojiura Universe) MAYU October 20, 2014 music, lyrics
さよなら色の向こう側 (Sayonara Iro no Mukougawa) Hatsune Miku November 17, 2014 music, lyrics
Spectrum GUMI March 16, 2015 music, lyrics
[nn][yt] "セイシュンライナー" Hatsune Miku June 10, 2015 music, lyrics
Falling Hatsune Miku August 24, 2015 music, lyrics
未来note App (Mirai note App) Hatsune Miku August 24, 2015 arrangement, programming
完全無欠のエレジー (Kanzen Muketsu no Elegy) GUMI March 04, 2017 guitar reamp
Brilliance GUMI April 01, 2017 music, lyrics
お花畑で馬鹿になる (Ohanabatake de Baka ni Naru) Hatsune Miku August 24, 2017 music, lyrics
シエレトワール (Ciel Étoilé) Hatsune Miku April 17, 2018 music, lyrics
カヌレ (Canelé) Hatsune Miku May 23, 2018 music, lyrics
クリプトグラフ (Cryptograph) Hatsune Miku June 12, 2019 music, lyrics
イナ (Ina) Hatsune Miku October 04, 2019 music, lyrics
LOVING ESCAPE GUMI December 28, 2019 music, lyrics
[nn][yt] "え?あぁ、そう。" Hatsune Miku March 22, 2020 music, lyrics

Albums[]

Discography[]

Affiliation Title Featuring Date Roles
Independent pianythm Hatsune Miku November 14, 2010 music, lyrics
EXIT TUNES, KARENT "Glorious World" Hatsune Miku, GUMI, and Kagamine Rin November 2, 2011 producer
96Banana "Asymmetry" Kagamine Len, Kagamine Rin, GUMI, and Megurine Luka January 8, 2012 music, lyrics
EXIT TUNES "Fictional World" Hatsune Miku, GUMI, MAYU, and Kagamine Rin & Len August 7, 2013 producer
EXIT TUNES "End of the World" Hatsune Miku, Kagamine Rin, GUMI, and MAYU November 19, 2014 producer
Independent RERISE (E.P) Hatsune Miku, GUMI June 20, 2018 music, lyrics

Compilations[]

Affiliation Title Featuring Date Roles
EXIT TUNES "EXIT TUNES PRESENTS Vocaloanthems feat. 初音ミク" Hatsune Miku, Kagamine Rin, Kagamine Len, Megurine Luka, KAITO, MEIKO, and Kasane Teto September 15, 2010 music, lyrics
EXIT TUNES "EXIT TUNES PRESENTS Supernova 4" Hatsune Miku, Kagamine Len, Kagamine Rin, GUMI, Megurine Luka, MEIKO, and VY1 December 15, 2010 music, lyrics
creazuma 大人の都合! (Otona no Tsugou!) Hatsune Miku, Kagamine Rin & Len, Megurine Luka December 31, 2010 music, lyrics
Innovate Sounds "Innovator-Earth" Hatsune Miku, Kagamine Rin, GUMI, and Megurine Luka January 16, 2011 music, lyrics
EXIT TUNES "EXIT TUNES PRESENTS Vocalonexus feat. 初音ミク" Hatsune Miku, Kagamine Rin, GUMI, Megurine Luka, Camui Gackpo, Kagamine Len, KAITO, and MEIKO January 19, 2011 music, lyrics
mighty works, Sorairo Club mighty works Hatsune Miku, Kagamine Rin, GUMI, Megurine Luka March 27, 2011 music, lyrics
Sony Music Direct "VOCALOID BEST from ニコニコ動画 (あか)" Hatsune Miku, Megurine Luka, Kagamine Rin, GUMI, Kagamine Len, Camui Gackpo, and KAITO June 22, 2011 music, lyrics
EXIT TUNES "EXIT TUNES PRESENTS GUMitive from Megpoid" GUMI September 7, 2011 music, lyrics
Pony Canyon "VOCALO VISION FEAT. 初音ミク" Hatsune Miku, Kagamine Len, Kagamine Rin, and VY1 December 21, 2011 music, lyrics
Farm Records "VOCALO APPEND feat. 初音ミク" Hatsune Miku, Megurine Luka, Kagamine Rin & Len, GUMI, Kaai Yuki, KAITO January 11, 2012 music, lyrics
Full Moon, Akiba Koubou VOCALO TEARS feat. 初音ミク Hatsune Miku January 18, 2012 music, lyrics
EXIT TUNES "EXIT TUNES PRESENTS Vocalodream feat. 初音ミク" Hatsune Miku, Kagamine Rin, GUMI, Megurine Luka, KAITO, Kagamine Len, MEIKO, and Camui Gackpo January 18, 2012 music, lyrics
EXIT TUNES "EXIT TUNES PRESENTS VocaloVanguard feat. 初音ミク fast" Hatsune Miku and Kagamine Rin July 18, 2012 music, lyrics
EXIT TUNES "EXIT TUNES PRESENTS Megurhythm feat. 巡音ルカ" Megurine Luka July 18, 2012 music, lyrics
EXIT TUNES "EXIT TUNES PRESENTS Vocaloconnection feat. 初音ミク" Hatsune Miku, GUMI, Kagamine Rin, Kagamine Len, KAITO, Megurine Luka, MEIKO, Camui Gackpo, and IA August 1, 2012 music, lyrics
BinaryMixx Records and Sony Music Direct "初音ミク 5thバースデー ベスト ~impacts~" Hatsune Miku, Kagamine Rin, Kagamine Len, GUMI, Megurine Luka, MEIKO, and KAITO August 1, 2012 music, lyrics
EXIT TUNES "EXIT TUNES PRESENTS GUMing from Megpoid" GUMI and Kagamine Rin September 5, 2012 music, lyrics
EXIT TUNES "EXIT TUNES PRESENTS Storytellers RPG" GUMI, Hatsune Miku, Kagamine Rin & Len, Megurine Luka November 7, 2012 music, lyrics
FARM RECORDS "VOCAROCK collection 4 feat. 初音ミク" GUMI, Hatsune Miku, IA, Kagamine Rin, Megurine Luka, and Kagamine Len November 28, 2012 music, lyrics
EXIT TUNES "EXIT TUNES PRESENTS VOCALOID™3 Library MAYU SPECIAL 2CD" MAYU December 5, 2012 music, lyrics
Sony Music Direct "初音ミク -Project DIVA- F Complete Collection" Hatsune Miku, Kagamine Len, Kagamine Rin, Megurine Luka, KAITO, and MEIKO March 6, 2013 music, lyrics
EXIT TUNES EXIT TUNES ACADEMY BEST 2 Hatsune Miku, Kagamine Rin & Len, GUMI, MAYU, __ (Underbar), Glutamine, Rib, Ryo-kun, Mayumi Morinaga, Touyu, Sekihan September 18, 2013 music, lyrics
FARM RECORDS "VOCAROCK collection 5 feat. 初音ミク" GUMI, Hatsune Miku, IA, Kagamine Len, Kagamine Rin, and Megurine Luka December 25, 2013 music, lyrics
EXIT TUNES

TOTAL OBJECTION (circle)

"EXIT TUNES PRESENTS Vocalofanatic feat. GUMI、IA、MAYU" GUMI, IA, MAYU February 5, 2014 music, lyrics
EXIT TUNES "EXIT TUNES PRESENTS GUMical from Megpoid" GUMI March 5, 2014 music, lyrics
Project TRI 魔法少女OverAge (Mahou Shoujo OverAge) GUMI, Hatsune Miku April 26, 2014 music, lyrics
U/M/A/A "EVERGREEN SONGS 2012" Hatsune Miku December 24, 2014 music, lyrics
EXIT TUNES "EXIT TUNES PRESENTS Entrance Dream Music" Hatsune Miku, Kagamine Rin, GUMI, MEIKO, MAYU, and Lily April 15, 2015 music, lyrics
EXIT TUNES, Pony Canyon "MAYU LOVES -First-" MAYU May 15, 2015 music, lyrics
EXIT TUNES "EXIT TUNES PRESENTS Vocalohistory feat. 初音ミク" Hatsune Miku March 15, 2017 music, lyrics
EXIT TUNES "EXIT TUNES PRESENTS Vocaloseasons feat. 初音ミク ~Autumn~" Hatsune Miku, Kagamine Rin, KAITO, Megurine Luka, IA, Kagamine Len, and MEIKO October 4, 2017 music, lyrics
EXIT TUNES "EXIT TUNES PRESENTS GUMIssimo from Megpoid ―10th ANNIVERSARY BEST―" GUMI June 19, 2019 music, lyrics
EXIT TUNES "SPACE DIVE!! feat. GUMI from Megpoid" GUMI July 17, 2020 music, lyrics
EXIT TUNES "Una-Chance!2 feat. 音街ウナ" Otomachi Una, Hatsune Miku, GUMI, Kagamine Len, Kagamine Rin, and Rana November 16, 2022 music, lyrics

Gallery[]

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