Dominate the Parallel World

How many parallel universes can there be when traveling through time? Some people say that traveling through time means going to another parallel universe. If going to 1 hour, 5 minutes and 10 seconds is a parallel universe, then going to 5 minutes and 9 seconds is another parallel universe? I am a person who can go to any parallel universe at will, the doomsday universe, the supernatural universe, the monastic universe, I want to dominate these parallel universes! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.