[Jotaku]

You can utilize this glitch to go outside of training area and see the world map freely to get familiar with it.
I reveal this because this glitch doesn't look like impacting the game badly.

Way 1. Using Unicorn Tank and Blueprint Tank
1. Put one Unicorn Hover Tank diagonally near the corner, and put blueprint car very close to that corner inside the Unicorn Hover Tank.
2. Get on Blueprint Car, and make it running mode.
3. While you don't move, press z to get off. By luck you will be outside of the training field. Congratulation!

Way 2. Using Ranger mecha
1. Mark at a certain height of the pillar on the side where the Doomlight is placed.
2. Summon your Ranger mecha, and use your dash skill in Car Mode.
3. While keeping pressing W button, move your camera to the ballpark (right).
4. You will be prompted to press the J key. Please press this once. Now you don't need to keep pressing W button (It will still make moving animation though).
5. You will be prompted to press the J key again. Please press this one more time.
6. Get off your Mecha. Congratulations!

Enjoy and hope you can have safe travel all over the world map!

* Special thanks to "Mafumafu" for teaching me.