Mysterious Entities... And Wife?!

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Within the confines of the universe, an enormous structure whose technology was so advanced that Earth's Magic Technology could only pale in comparison slowly moved through the vast cosmos.

Inside of such structure, entities wearing mechanical suits and covered in enormous auras that encompassed the powers within their transcendental souls, glanced at a large holographic projection in front of them.

In this projection, a large spherical object hovered.

It was Earth.

The projection did not only showed Earth as it was, but there were also several blue, red, and black circles around all of it.

These were Gates.

Gates, the doors that transported people to other worlds momentarily through the conversion of a certain zone of that world into a Dungeon.