Soojin, a girl plagued by mild bullying and unwarranted blame, discovers a mysterious app on her phone: "Revenge App." With a tap, karma strikes those who wronged her, but the identity of the app's master remains unknown, casting a shadow over Soojin's newfound power. But, you must know that there is one and only question here, Who Is The Master Of The App? ∆∆∆∆∆∆∆∆ Reader x Enhypen On-Going Fanfiction ∆ Short Story