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
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