The Syura & Nanako Character Pack Add-on for 100% Orange Juice has 6 achievements.
Play 10 games as Nanako (DLC 1)
As Nanako, use Deploy Bits to get +7 or more in Attack, Defense or Evasion (DLC 1)
While playing Nanako, KO Suguri (DLC 1)
Play 10 games as Syura (DLC 1)
As Syura, use Beyond Hell while at 1 HP to KO a full-HP opponent (DLC 1)
While playing Syura, KO QP (DLC 1)