Magic Or Quirks? (an Undertale au and bnha crossover)

The students of UA have graduated and have already joined some hero agencies to start of their lives as new heroes. Having been through quite a lot they think they are prepared for whatever challenge comes their way
That is until they find out about universes and magic through a certain group of people.
Meanwhile the alternate Sanses have started a new war. in one of the battles things go terribly wrong and all are transported to a universe that has nothing to do with them.