アンハッピーリフレイン (Unhappy Refrain) is Genjitsutouhi-P's first full-length album. The album contains 21 tracks, split into 2 discs. Disc 1 features 14 tracks, all sung by Hatsune Miku and Megurine Luka. Disc 2 features 7 tracks that are remixes of the tracks in disc 1. They were mixed and uses vocals of other well-known producers, like acane_madder and Dixie Flatline.

There are several notable songs are in this album, including Unhappy Refrain and World's End Dancehall.

  • Disc 1: #1-14
  • Disc 2: #15-21
Released May 18th, 2011
Producer Genjitsutouhi-P
Price ¥2,500
Track list
1. アンハッピーリフレイン
Unhappy Refrain
Hatsune Miku
2. ローリンガール
Rolling Girl
Hatsune Miku
3. 積み木の人形
Tsumiki no Ningyou / Doll of Building Blocks
Hatsune Miku
4. 僕のサイノウ
Boku no Sainou
Hatsune Miku
5. 日常と地球の額縁
Nichijou to Chikyuu no Gakubuchi / A Usual Life and the Earth's Frame
Hatsune Miku
6. テノヒラ
Tenohira / Palm
Hatsune Miku
7. とおせんぼ
Toosenbo / I Won't Let You Through
Hatsune Miku
8. ラインアート
Hatsune Miku
9. 裏表ラバーズ
Two-Faced Lovers
Hatsune Miku
10. グレーゾーンにて。
In the Grey Zone.
Hatsune Miku
11. ずれていく
Zureteiku / Out of Step
Hatsune Miku
12. リバシブルドール
Reversible Doll
Hatsune Miku, Megurine Luka
13. ワールズエンド・ダンスホール
World's End・Dancehall
Hatsune Miku, Megurine Luka
14. プリズムキューブ
Prism Cube
Hatsune Miku
15. 裏表ラバーズ reverse Edge mix / remix by キャプテンミライ
Two-Faced Lovers (reverse Edge mix) / remix by Captain Mirai
Hatsune Miku
16. とおせんぼ remix by acane_madder
Toosenbo / I Won't Let You Through (remix by acane_madder)
17. ローリンガール remix by acane_madder
Rolling Girl (remix by acane_madder)
18. 僕のサイノウ dnb mix / remix by とくP feat.pagodes
Boku no Sainou / My Talent (dnb mix) / remix by Toku feat. pagodes
19. 積み木の人形 rnb mix / remix by とくP feat.pagodes
Tsumiki no Ningyou (rnb mix) / Doll of Building Blocks remix by Toku feat. pagodes
20. ずれていく postrock mix / remix by whoo
Zurete Iku / Out of Step (postrock mix) / remix by whoo
Hatsune Miku
21. ワールズエンド・ダンスホール dexholic mix / remix by Dixie Flatline
World's End・Dancehall (dexholic mix) / remix by Dixie Flatline
Hatsune Miku, Megurine Luka