After HP Traveled Through Time, He Found That the Plot Collapsed

[Two male protagonists/parallel time and space/past and present lives/travelers' miscellaneous paintings] Mu Li, a law-abiding young man in the 21st century, the first thing he did after time travel was to rob a bank. Although he did it without knowing it, just when he accepted the reality and considered how to survive in the future, an owl brought a letter from the magical world... I don't know if my persistence is meaningful. At least in another world, I hope she can be happy. If even the persistence is gone, what else do I have left? ━━━━Severus Snape My world is without you, how can I enter your world? ━━━━Voldy·Slytherin