

Yep! Basically a beta reader will read a written work (in this case fanfiction) and offer feedback on what can be improved, ranging everywhere from plot to characterization. Though some betas may specialize in only one or two components that go into a good work.
This is a guide for beta reading for original fiction, but the same principles apply!
Is this your art? It’s really beautiful! I haven’t watched the show in months, but I remember these two were my otp 💜