There are some great 'reverse dipper x reader fanfic' out there. For example, 'The Reversed Dipper and the Reader' is a fanfic that starts with an unexpected twist on the normal Dipper - reader relationship. It then builds a story around how this new reversed relationship unfolds. The author uses vivid descriptions to bring out the emotions and the situations that the reader and the reverse Dipper go through. It's really engaging and gives a fresh perspective on the characters.