There's no such thing as "Jinshi was supposed to appear in the first arc only"; the story was written in a month and was originally conceived as a SHORT story.

I'm not trying to change your opinion on character. You would understand what I'm trying to convey if you actually read my replies.

Web novel page. You can check the old comments
ncode.syosetu.com/s6624a/
Natsu's comments on the original story and the Shi clan arc
note.com/melza/n/ne12...
Gaoshun's original role
peing.net/en/q/8af54c1...

Initially, this was a short story with several extras written within one month back in 2011. The plot is the same as in volume 1; extras are essentially the Lakan arc + ending of the Shi clan arc. The story would have ended there if Hero Bunko in 2014 hadn't approached Natsu with the desire to

When will you stop using this fact as an excuse for all your stupid interpretations? The fact that Natsu once planned to kill Jinshi is insignificant, just like the fact that Loulan was originally a one-note villain and her parents' pawn, or how Gaoshun was planned to be Maomao's papa.