Duplicate Game, I Am an Audio Game Expert

[No cp + copy + game + stocking up + natural disaster + apocalypse + science fiction apocalypse] What? ! Suddenly, he went from a happy and prosperous Blue Starfish to a hard-to-survive dungeon. System: "No dear, there are transitional novice copies, we are good at integrating them! (๑•̀ㅂ•́)و✧" Are you gifted as a music game expert? You can get card skills by clearing the song! Jiang Chengyu watched "Give a Bottle of Water", "This Stick", "Stock Up" and "Knock Knock"... [Reality will become the game world only after the sixth copy. The heroine is not a highly intelligent and powerful person, she starts off as a simple sophomore.