Board Thread:Anime Episode Q & A/@comment-32419442-20170628131601/@comment-25979511-20170628194040

Narita wrote the original light novels, however, the anime and manga adaptions have a different author. If we're talking "which one is better because it's truer to the story", the light novel is king. On the same note, season 2 is very difficult to understand if you haven't read the light novels.