Chapter 1: Left Behind! And Discovered!

It all started with his hate for humans...and ash challenging him...but what happens when mewtwo lets his friends go....but since he was saving pikachu , ash got left behind....At first it's nothing more than mewtwo showing ash his superoirty.....but over time....the kidnapper feels things for the prisoner....and the prisoner....begins to rethink about his kidnapper..... Can ash tame mewtwo's heart?
will mewtwo stop his plans from taking over the world? will romance form?