"積乱雲グラフィティ / Fallin' Fallin' Fallin" (Sekiranun (Cumulonimbus) Graffiti / Fallin' Fallin' Fallin') is a split single that features the opening theme to PSP game Hatsune Miku -Project DIVA- extend composed by ryo and written by Dixie Flatline, and the game's other theme song, composed by Dixie Flatline with ryo as the lyricist. The CD also includes the remixed version of "Sekiranun Graffiti" by baker.

The album is purchasable on Sony Music Shop, Amazon and CDJapan.

Sekiranun graffiti
Released August 31, 2011
Producer ryo(supercell); Dixie Flatline
Price ¥1,260
Illust. Atsuya Uki
Label Sony Music Direct
Track list
1. 積乱雲グラフィティ
Sakiranun Graffiti / Cumulonimbus Graffiti
ryo feat. Hatsune Miku
2. Fallin’ Fallin’ Fallin’
Dixie Flatline feat. Hatsune Miku
3. 積乱雲グラフィティ
Sakiranun Graffiti / Cumulonimbus Graffiti)
ryo feat. Hatsune Miku
(remixed by baker)
4. 積乱雲グラフィティ
Sakiranun Graffiti / Cumulonimbus Graffiti) (instrumental
5. Fallin’ Fallin’ Fallin’
Kocchi muite baby yellow
Kocchi Muite Baby / Yellow
ODDS&ENDS Sky of Beginning
ODDS&ENDS / Sky of Beginning

Dixie Flatline
Just Be Friends