The Iru & Mira Character Pack Add-on for 100% Orange Juice has 6 achievements.
Play 10 games as Iru (DLC 20)
As Iru, KO 5 enemies in one game using Extended Photon Rifle. (DLC 20)
As Iru, KO an enemy who has 1 HP after challenging them to battle while at 1 HP. (DLC 20)
Play 10 games as Mira (DLC 20)
As Mira, win a game on the action following Leap Through Space. (DLC 20)
As Mira, have enemies roll 1 while under your smoke effect at least 5 times in one game. (DLC 20)