2 Name: A Red Mage : 2018-09-28 18:38 ID:bZPA38L0 [Del]
Just start at episode/chapter 1. What's the confusion?
Personally, I recommend the manga, it takes less time to catch up and is simply better than the anime.
The anime suffers from constant bad animation, absurd pacing, fillers and other things.
The manga is the way to go, as far as I'm concerned.