Awakening the Jigsaw System, Starting from Sanctioning the Hated Persians

The title is limited, the full name is "Rebirth and Awakening of the "Jigsaw System", Starting with Sanctioning Hate Bostan". Michael Coleman lost his beloved daughter because of his hatred of Postan, and was killed by a certain evil force while searching for the truth about his daughter's murder. When he woke up, he found that he was reborn in the body of a terminally ill boy and awakened to the "Jigsaw System". This is a system that rewards evildoers by punishing them. If he wants to survive, he must complete the system's tasks to increase his lifespan...