The Revenge of the Fox Spirit DLC Add-on for AURA: Hentai Cards has 6 achievements.
Visit the techno city called KongGong
Complete all quests in the "Revenge of the Fox Spirit" DLC
Win all battles in KongGong
Finish the story of the "Revenge of the Fox Spirit" DLC and achieve a good ending
Finish the story of the "Revenge of the Fox Spirit" DLC and achieve a bad ending
Finish the entire story of the "Revenge of the Fox Spirit" DLC