They only wanted love

What if there was another Potter? A sister perhaps?

What if that said sister was the same age as her brothers best friends younger brother?

Also, what if those said siblings loved each other but couldn't tell there older said siblings?

Join the journey of Potter and Black, not James and Sirius but Kathleen and Regulus.

* All rights belong to J.K Rowling *

*ranked no3 in RegulusBlack 21/03/19*