One popular 'Ron leaves Hermione' fanfiction is 'The Path Not Taken'. It explores Hermione's journey of self - discovery after Ron's departure. Another is 'Alone but Strong' which shows Hermione building a new life on her own terms.
Well, in the fanfiction world, there's 'Hermione's New Beginning' where Ron leaving Hermione is the starting point. This fic delves into how Hermione copes with the loss and eventually finds new love interests. There's also 'Beyond the Breakup' which focuses on Hermione's growth as a witch after Ron is out of the picture.
There are several good ones. For example, 'A Different Future' presents a scenario where Ron leaving Hermione leads to her getting involved in some very interesting magical research that she might not have pursued otherwise. It shows her as a more independent and self - sufficient character. Also, 'The Aftermath of Goodbye' details how Hermione's relationships with her other friends, like Harry, change and develop in the wake of Ron's departure.