Sunset Shimmer, once overbearing and rude, is living proof that people can change. When she finds out that the Dazzlings are being expelled from Canterlot High for their crimes, she will make an attempt to understand their past and salvage their future.

Even if she can help only one of them, she believes it's worth it.

This story is a sequel to Expulsion

Sonata Dusk, once lost and unsure, is living proof that people can change. When she realizes how hard it is to make amends and regain the respect of her peers, she will make an attempt to do some good, so the students of Canterlot High could see who she really is.

Setting up a café sounds like a great start.