Dancetale: An Undertale FanFic

Frisk lives with her adopted mother and father Asgore and Toriel. She also lives with her brothers Asriel (adoptive) and Chara (biological twins). Now everyone in her family only does classical entertainment. Including her. Asgore, Toriel and Asriel all have the dance style of waltz. And Chara and herself have the dance style of Ballet. All three of the siblings go to the same dance school with Asriel being a sophomore and Chara and Frisk being freshmen. While at the school Frisk meets the Skeleton brothers with Papyrus being a tango dancer (sophomore) and Sans being a hip hop dancer (Junior). Frisk liked Sans' style of dancing and decided she wanted to try too. But in deciding to do this she goes against her parents wishes. What is she going to do?