The Protagonist Pack Add-on for 100% Orange Juice has 6 achievements.
Play 10 games as Hyper Ellie
As Hyper Ellie, defeat the same Mio 3 times in a single game
Survive 3 battles without being damaged under the duration of a single Ellie’s Hyper Miracle
Play 10 games as Kai (Hero)
As Kai, win a game in cooperation with the other Kai
As Kai (Hero), defeat your opponent before succumbing to your imminent fall