DelzGB

Stricken with a dull, boring life, Gael has already discarded his ambitions as a high school dropout. However, a chance encounter with death leaves him a choice: 
[“Meet your end accomplishing nothing, or continue on in an unforgiving world and learn what it is to live.”] 
Wishing not to die, he accepts the offer, being granted a new life in a fantastical, mysterious world of Gaia. In this new world, he is not granted an easy life, instead hunted as those like him, transported from Earth–”Outlanders”--are deemed to be executed on sight. 
He is not helpless, though, granted a unique gift upon being reborn in this world–
[Integrating system into body.] 
[...10%...]
[....45%...]
[....87%...]
[Integration complete.] 
[Gacha System initiated.] [Level: 1]

Gacha System: Reborn In The Hardest World

It only got louder the further he moved through the tunnel. The volume was reminiscent of those crowds during championship games of national sports.

As he reached the end of the walkway, a light filled his vision before he stepped out.

He covered his eyes momentarily as he was immediately swallowed in the noise of the audience.

Moving his hand away, he saw the colosseum he stepped into; a vast, exuberant structure built of pristine gold. Dazzling crystals were embedded into the walls, with hundreds if not thousands of spectators seated.

In the battlegrounds he stood in, the ground was made up of snow-white sand, stretching far and wide.

"A NEWCOMER HAS ARRIVED! WILL THIS FRESH MEAT BE SQUASHED OR REIGN VICTORIOUS IN HIS DEBUT…? PLACE YOUR BETS!" The announcer's voice boomed.

The Venator Reaper