Volume 6 (Rose Guns Days)

"Rose Guns Days: Season 2," Volume 2 is the sixth volume of the manga and the second volume of the Season 2 adaptation.

Synopsis
Oliver, Nina, and Charles have officially adopted Zel as one of their own, transforming the dunce trio into a happy quartet! But the streets of District 23 are still rife with tension, leading to more conflicts between Primavera and the Chinese Golden Dragon. The same happy quartet starts an investigation to root out the underlying source of the unrest, but a close call triggers the return of Zel's lost memories...

Chapters

 * 06 (25). Track 06: Good Time
 * 07 (26). Track 07: Axel F
 * 08 (27). Track 08: New Generation
 * 09 (28). Track 09: Standing in the Dark
 * 10 (29). Track 10: If I Could Fly