Shuujin-P (囚人P ) also known as "Nekoromin" (ねころみん / 猫ロ眠) is a producer known for making Prisoner / PaperPlane, which became hits. He's also an author of a few series such as the Prisoner Series and the New Millennium Series.

His P name came from his first and most notable work Shuujin / Prisoner by Kagamine Len.

STATUS:August 2008 → Present
Shuujin-P Avatar
OFFICIAL:Blog: ShujinP
Nico: Community
URL(s)Nico Nico Piapro Twitter
PLAYLIST(s):(YouTube Playlist / Nico Nico Douga List)
WORKS: (Upload date)
  1. "Shuujin" (Len) (Aug.11.2008)
  2. "Datsugoku" (Aug. 12, 2008)
  3. "Shin-Seiki" (Len) (Aug. 19, 2008)
  4. "Risoukyou" (Len) (Sep. 12, 2008) with subtitles
  5. "Koji" (Rin) (Sep.29.2008)
  6. "Shuujin (PV ver.)" (Len) (Nov. 1, 2008) with subtitles
  7. "Kakumei (with PV)" (Rin) (Nov. 15, 2008)
  8. "Kami-Hikouki (with PV)" (Rin) (Feb. 15, 2009) with subtitles
  9. "3-nen 4-kumi" (Mar.23, 2009)
  10. "Shin-Seiki (PV ver.)" (Len) (Apr. 12, 2009) with subtitles
  11. "Inshiron" (Jun. 21, 2009)
  12. "Bundan" (Len) (Aug. 8, 2009)
  13. "Risoukyou (Revision)" (Len) (Oct. 4, 2009) with subtitles
  14. "Ichiru no Negai" (Rin, Len) (Oct. 4, 2009) with subtitles
  15. "Soiyassaa!!" (Oct. 10, 2009)
  16. "Boku no Hijouguchi" (Oct. 24, 2009)
  17. "Andromeda" (Len) (Oct. 31, 2009)
  18. "Eiyuu" (Len) (Feb. 5, 2010)
  19. "Ontai Tei Kiatsu" (Rin, Len) (May. 1, 2010)
  20. "Shibuya Catastrophe" (Rin) (Aug. 18, 2010)
  21. "Ashita" (Luka, Rin, Len) (Sept. 11, 2010)
  22. "Chivalry" (Len with Valshe) (Dec. 25, 2010)
  23. "Katasutorofu no Yume" (Non-Vocaloid) (May. 2. 2011)
  24. "Weiss ~ shiro ~" (August 5, 2011)
  25. "Prisoner / Paperplane Novel Crossfade" (Crossfade) (Jun. 10, 2012)
  26. "Youth Government Agency" (Len, Rin) (Jul. 18, 2012) with subtitles
  27. "sick‘s ∞" (Len) (Sep. 7, 2012)
  28. "Prisoner" (Non-Vocaloid) (Feb. 15, 2013)
  29. "Re:Noah" (April 11, 2014)
  30. "Moratoriamu shōjo no dairi sensō" (May 24, 2014)

Songs / Featured WorksEdit

囚人 (Shuujin)

Uploaded 2008.08.11 Featuring Kagamine Len
Music Shuujin-P Main article 囚人 (Shuujin)
Lyrics Shuujin-P
Video Various
Shuujin-P's greatest hit and also one of Len's most notable songs.

紙飛行機 (Kami Hikouki)

Uploaded 2009.02.15 Featuring Kagamine Rin, Kagamine Len
Music Shuujin-P Main article 紙飛行機 (Kami Hikouki)
Lyrics Shuujin-P
Video Various
Rin's answer song for Len's "Prisoner".

そいやっさぁ!! (Soi Yassaa!!)

Uploaded 2009.10.10 Featuring Kagamine Rin, Kagamine Len
Music Shuujin-P Main article そいやっさぁ!! (Soi Yassaa!!)
Lyrics Shuujin-P
Video Various
This song has reached over 100,000 views. It is featured in the games -Project DIVA- Arcade and Miku Flick/02 (DLC).

騎士道 (Kishidō)

Uploaded 2010.12.25 Featuring Valshe, Kagamine Rin, Kagamine Len
Music Shuujin-P Main article 騎士道 (Kishidō)
Lyrics Shuujin-P
Video Yū ju, Various (illust)
This song has reached over 100,000 views.

文法少女Φリリカ (Bunpou ShoujoΦRirika)

Uploaded 2011.08.10 Featuring Kagamine Rin
Music Shuujin-P Main article 文法少女Φリリカ (Bunpou ShoujoΦRirika)
Lyrics Shuujin-P
Video Madoromi (illust), ke-sanβ (video)

青春ハローワーク (Seishun Hello Work)

Uploaded 2012.07.18 Featuring Kagamine Rin, Kagamine Len
Music Shuujin-P Main article 青春ハローワーク (Seishun Hello Work)
Lyrics Shuujin-P
Video Suzumi
A song about youth.


Shuujin-P 1st album
Title それでも世界は廻っている
Shuujin-P 2nd album
Producer Shuujin-P Shuujin-P
Release Date May 9, 2010 September 18, 2010


PrisonerxPaperPlane Novel
Prisoner / Paperplane Shounen Paradox (novel) written by Shuujin-P
Shuujin Shoujo Aporia
Prisoner / Paperplane Shoujo Aporia (novel) written by Shuujin-P
Prisoner novel 3
written by Shuujin-P

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