Author's Note:
Thanks to the reader who notified me of this...
When I replaced Part 6a of the story (so please reread if you've read previously as it has changed), it didn't update, rather it posted as an entirely new chapter, which then sent alerts to anyone following. I then deleted the extra chapter which meant the links didn't work.
If you have already read part 6a, it has been updated so please read again.
Part 6b follows very soon!
Sorry for the confusion!