You died not because it was the heaven's judgement but because you were wrongly accused. Your death makes you realize your greatest regrets. And so, the normal life you thought you always you have, hiding it's dark secrets and is now slowly unfolded the deeper you dig in to the world of a so called system.
The author has a picture to portray through their words. And they do that well enough for the reader to understand the theme of it. The world created is admirable with an enjoyable storyline.