I don't speak your language correctly. Are you saying you're afraid to finish the story so you don't get your reward? If you want I can help you with that by giving you some advice
AI finished the game with some complications, but I got experience to help some people. You can use the "Skip" button if you make a mistake. You will at the end get 2 rewards (secret)
My discord if you have any questions is here: Samuell#8938