Stargate, I Travel Across Thousands of Planets to Hunt for Exotic Beasts

The original owner died and I lived. The world has changed, but nothing has changed. After spending all the money left by the original owner's parents, a tube of silver potion brought awakening. Behind every door there are rules that need to be followed, and their own original civilization. The wilderness we stepped into was actually one of thousands of stars. Primitive tribe, technological starry sky.