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This utaite's song list is up-to-date and complete. Most recent upload: December 13, 2012.
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"At the point where 0 and 1 cross is calculation that is of miscommunication"
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CosMo as seen in his Omae ga Utau no Ka Σ(´д`; album cover
Japanese こすも (kosumo)
Also known as 暴走P (BousouP, as composer)
こすもたん (cosMo-tan, nickname)
こすもん (cosMon, nickname)
コスモ(魔法少女p) (cosMo (Mahou ShoujoP))
Gender Male

(1986-04-06) April 06, 1986 (age 30)[1]

Status Inactive
Years active 2008-present (as utaite)
2007-present (as producer)
NND sites NND user page
mylist/5947647 (Utaite)
mylist/3335347 (Composer)
YT channel


Collab partner(s) samfree, OwataP
A sample of a cover song by CosMo
"Kagamine Len no Bousou", composed by himself

cosMo is an utaite, although he's more known as a producer under the name BousouP (暴走P), known to produce high-speed songs; still, his "Magical☆Nuko Len Len"Nv cover gained a respectable 224K views as of June 2013.

He is also an illustrator, and his main profession is an animator, as he introduced himself as "an animator and a computer music apprentice".

He is sometimes depicted as female and tagged as "cosMo (Mahou ShoujoP)" (コスモ(魔法少女P)), such as in his cover of "Matryoshka"Nv or "Senbonzakura"Nv (both duets with OwataP).

He is good friends with fellow producer-utaite OwataP as they duet and do gaming videos together.

For more information on cosMo as a producer, please visit his article here on the VOCALOID wiki.

Affiliations and Collaboration ProjectsEdit

  1. Omaera ga Utau no ka yo! ~ Naze Utattashi ~ with OwataP (December 15, 2012)

List of Covered SongsEdit

  1. "Hikyousentai Urotander" Nv (2008.02.13)
  2. "KAIKO no Bousou" Nv (self-cover) (2008.04.01)
  3. "Mahou Shoujo Radical Paint" Nv (self-cover) (2008.05.07)
  4. "cosMo Driver ∞UP Recording Fuukei" Nv (2009.09.29)
  5. "magnet" Nv feat. cosMo and samfree (2009.11.01)
  6. "Doushite Kounatta" Nv (Why Did It Turn Out Like This) (2009.12.15)
  7. "IMITATION BLACK" Nv feat. cosMo, samfree and Yasuo (2010.06.11)
  8. "Magical☆Nuko Len Len" Nv (2010.08.26)
  9. "Entei Soukuu no Joshou" Nv (self-cover) (2010.09.13)
  10. "Kagamine Len no Bousou" Nv (The Rampage of Kagamine Len) (self-cover) (2010.09.29)
  11. "Matryoshka" Nv feat. cosMo and OwataP (2010.10.18)
  12. "R-18" Nv (2010.11.07)
  13. "Senbonzakura" Nv feat. cosMo and OwataP (2011.11.15)
  14. "Jinsei Reset Button" Nv (Life Reset Button) (2011.11.23)
  15. "Rin-chan Nau!" Nv (2012.10.17)
  16. "Mahjong Chuudoku" Nv (Mahjong Junkie) feat. cosMo and OwataP (2012.12.02)
  17. "Magical☆Nuko Len Len" Nv feat. cosMo and OwataP (2012.12.13)


Omae ga Utau no Ka Σ(´д`;
Released on November 14, 2012
Omauta jacket
Purchasable at Melonbooks   - JP only: 
No. Title Lyrics Song Arrangement
1. "R-18" cosMo cosMo Higedriver
2. "Entei Soukuu no Joshou" cosMo cosMo cosMo
3. "Miyako Wasure" cosMo cosMo cosMo
4. "Doushite Kounatta" UdongergeP UdongergeP UdongergeP
5. "R-25" cosMo cosMo cosMo
6. "Dokubou Stellar Theater" cosMo cosMo cosMo
7. "Loop Suru Hatsukoi" cosMo cosMo cosMo
8. "Mahou Shoujo Radical Paint" cosMo cosMo cosMo
9. "Magical Nuko Len Len" OwataP OwataP OwataP
10. "Kagamine Len no Bousou" cosMo cosMo cosMo

Omaera ga Utau no ka yo! ~ Naze Utattashi ~ (with OwataP)
Released on December 15, 2012
Cosmowata Omaeragautaunokayo
Cosmowata Omaeragautaunokayo alt
Purchasable at - internat.: ToranoanaINTNicochokuhanINT 
No. Title Lyrics Song Arrangement
1. "Talk 1"
2. "Hatsune Miku no Bousou" (The Rampage of Hatsune Miku)
3. "R-18"
4. "Paradichlorobenzene"
5. "Talk 2"
6. "Mahjong Chuudoku" Nv (Mahjong Junkie)
7. "Dystopia・Zipangu"
8. "DON ☆ TEN"
9. "Talk 3"
10. "Magical ☆ Nuko Len Len" -New Movie ver.-
11. "Hatsune Miku no Gekishou" Nv (The Intense Song of Hatsune Miku) -Long ver.-
12. "Rin-chan Nau!" Nv
13. "Talk 4"
14. "(Bonus track)"
15. "Talk 5"


cosMo as seen in real life[2]
OwataP cosMo Senbonzakura
OwataP (left) and cosMo as seen in their cover of "Senbonzakura"Nv
Illust. by You Ring (ゆーりん)
OwataP cosMo Matryoshka
OwataP (left) and cosMo as seen in their cover of "Matryoshka"Nv
Illust. by You Ring (ゆーりん)


  • His blood type is A.[1]
  • He has a cousin called Nanashi (ナナシ) who is also an illustrator.[citation needed]

External LinksEdit


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