Aka no Hiroba 4
Aka no Hiroba 4 held at Hamamatsu, Tokyo Metropolitan Industrial Trade Center on July 18, 2010.
Releases
| Date | Catalog | Name | Publisher |
| 2010-07-18 | ADCD-002 | MY FAIR LITTLE REDMY FAIR LITTLE REDMY FAIR LITTLE RED | AssaultdoorAssaultdoor |
| 2010-07-18 | YNG-005 | PHYSALISPHYSALISPHYSALIS | Yanagisegawa |
| 2010-07-18 | N/A | Pre-InnocencePre-InnocencePre-Innocence | PHOENIX ProjectPHOENIX Project |
| 2010-07-18 | N/A | RosenGartenRosenGartenRosenGarten | Cat Styles |
| 2010-07-18 | 6PCD-06 | Scarlets!すか-れっつ！Scarlets! | Roch Plus |
| 2010-07-18 | N/A | Various tunesVarious tunesVarious tunes | MINUS B |