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In this mod, Boyfriend will meet lots of Undertale characters who are willing to demonstrate their musical skills. No matter how surprising it may seem, but monsters can sing and dance too. And now Boyfriend needs to prove he can perform much better than all these antagonists. But of course, this task will be much easier with your help. What do you need to do? You must move to match every beat of the music rhythm to win. Do your best to keep your progress bar green till the end of the round.