Context to anyone that didn't read my other fanfic.

The MC has the power of the Essence of Gacha and receive things from all over the Omniverse.

He also receives some Travel Tickets that allow him to travel around the Omniverse.

Obviously, he uses it more to gain powers, learn technology and magic.

Here, the MC is older and stronger and can relax a little more. So he is using the tickets to take a vacation.

The stories can happen at any moment of time.

No chronological order.

The stories can be changed in the future.

They're semi-canon.