Rwby React To Jauneverse (Undertale au Sentrice)

It's a normal day in beacon as team rwby and jnpr are in there dorm room while there leader's go to a "leaders meeting" While in actually they were on a date but portals opened everywhere and the one who are in the shadow war appear in a theatre there the meet nova a guardian of the multiverse where the fact that jaune and ruby are dating what will there reactions be will yang kill jaune? And what secrets with be seen