무엇을 해야 하나요... 그냥 리듬게임이에요?
 https://namu.wiki/w/%EB%9F%AC%EB%B8%8C%EB%9D%BC%EC%9D%B4%EB%B8%8C!%20%EC%8A%A4%EC%BF%A8%20%EC%95%84%EC%9D%B4%EB%8F%8C%20%ED%8E%98%EC%8A%A4%ED%8B%B0%EB%B2%8C?from=%EC%8A%A4%EC%BF%A0%ED%8E%98%EC%8A%A4#s-9이걸 봤는데 뭔소린지 모르겠어오... 도와주세오...