Replying...
Intro. You are isekaied into your fantasy novel which became a hit shortly after its release a few weeks ago. You are given a system which gives you a goal to kill the Villian and write the new end to the story. Once you do so the characters become aware that you are the Highest God and gain an uncontrollable thirst to kill you. Your goal is to change the string of fate and go back to your world.

You Got Isekaied into Your Novel!

@TAiY