I Can Copy Skills with a System in Another World [LitRPG] [Isekai]

Zero, in an unfortunate turn of events, was accidentally murdered in an alleyway with a brick.

Waking up in another world with a so-called System buzzing in his ear while being trapped within a dungeon filled with monsters.

Armed with the capability to imitate any skill or magic he's been hit by, Zero begins his journey in another world.