An extraordinary experience created by giant prehistoric creatures and cutting-edge technology. Today, "PRIMORDIA EVOLUTION PARK" was bustling with many people.

In the middle of such a park, Guest was currently...

Desperately looking for a restroom.

The trigger was, well... Simply looking for a restroom.

The nearest restroom was closed for cleaning, and the signs pointed to another floor.

Following the signs, Guest arrived at an elevator hall.

Just then, the doors of one unit opened, and Guest stepped inside without a second thought.

At that moment, Guest did not know that due to a temporary system failure, an elevator that normally wouldn't open without authentication was operational.

The elevator doors closed.

Immediately after, the floor number displayed was—