FNF vs UnderTale

Game description:

Monsters from Undertale have learned about fun competitions in the FNF universe and decided to take part in them too. They immediately found Boyfriend and challenged him to a rap battle. But you understand that the hero is completely alone against a whole gang of dangerous underground creatures. Boyfriend needs serious support. And only an experienced FNF player can help him solve this task with ease. So rush to the music arena to help the hero dance without a single mistake.