I, the Time Traveler, How Should I Wander Around in the World?

When time travel becomes a reality, movies, TV series, animations, novels, ancient myths, there is endless time and space, which also means endless possibilities... In a certain world, there is extraordinary wisdom, In a certain world, there is a secret to becoming a god. In a certain world, one can practice internal skills and evolve oneself, In a certain world, there is a key to immortality... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.