レジェンド

Best entry point for orange level if you want to read a lot

First some stats, using Mushoku tensei as comparison because it has almost the same number of unique words:

Mushoku - Unique words: 29463 Volumes: 26 Chars: 3097769

レジェンド - Unique words: 29455 Volumes: (19+webnovels) Chars: 16725832

So as you can see, more than 5x the content and the same number of unique words. This makes it great for extensive reading.

Of course, there's more that influence difficulty, but overall the language is simple. Possibly some info dumps at the beginning o