For those that are curious as to why they enjoy this manhua:
Aside from the visual appeal it's probably because it's ultimately a story about overcoming life's difficulties with proper communication, with tea being used as the medium to communicate. You could probably replace tea with...
Idealist turned pragmatist. A "good" author will have a redemption arc for the mc but considering the title and how bad the hero is, that will be very difficult. Another route might be he becomes something more sinister than a demon king and another hero kills him and he either gets sent back or...
I think this type of story actually has great potential. Every arc could be the two girls and possibly more characters joining to survive movie tropes with a new genre the end of the arcs. Shame it's only one shot.