Infinity: Unfinished Business

The only benefactor was killed, and the murderer became a mystery, leaving the newly graduated orphan Ye Jun in despair. At this moment, a mysterious system that can help people fulfill their last wishes arrives. In order to get clues to track down the real murderer, Ye Jun chose to be bound. From then on, he traveled through different time and space and experienced various tastes of life. He will transform into a rich man from the Tang Dynasty and an interstellar ranger... And with his undead body, he will accomplish unfinished things. After making up for others' regrets time and time again, can he find the final truth and comfort his benefactor's spirit in heaven?