The Strongest Thief TST

What could be worse than death? The answer was the loneliness of never being able to die. Of billions upon billions upon billions of creatures across worlds and realities, no matter how powerful they were they would always be consumed by that feeling. It was the true terror that would devour any living entities until their mind shattered and turn to void. What happened if there was a creature, a person, a human who could overcome the fear of nothingness?
In the world of Loriana, the world of magic, the world of endless battles between heroes and demon lords. The young boy Torei summoned with his group of friends and his unrequited love. Like any Isekai transmigrators, they were given powers and fame. Well, except for Torei his class was a thief, a lowly infamous class only for thugs, and criminals.
What could Torei do in this cruel world filled with endless hatred, suffering as a thief?
Cough cough I stare at myself in the mirror for a long time after writing this synopsis.
I think I'm serious this time about WSA contest
I'm not a native English speaker so expect some grammar errors in my novels I will try to improve with time. If this goes well I'm gonna update a more thoughtfully editing version later.
Q&A:
Will this has harem? (a small and complicated harem I would say, cause at least one of them was just playing with the MC, even if there's a harem MC gonna choose only 1 love interest, there'll be no harem ending)
Will this have NTR? (No)
Is the cover yours? (No, I'm just borrowing it please don't kill me)
Final word I'm a newbie writer so please be easy on me.