Suddenly, the Sehee Research Institute fell in the middle of a dense jungle.

Thick trees surrounded the research building as if embracing it, and sunlight barely filtered through the massive leaves.

The humid air created the illusion that they were in a tropical rainforest.

The researchers gathered in front of the building, buzzing with confusion.

Some said the communications were down, while others worried that both the electricity and water supply had been cut off.

Fortunately, Sehee Research Institute, with its top-tier facilities, had emergency generators, but it was unclear how long they would last.

"What the heck...?"

"Is this …