The System Is Broken

After an unfortunate death, a young man finds himself with an incredible opportunity, to reincarnate as the hero of another world with his very own system! He immediately accepts and rushes with bated breath to open the system, only to find a massive issue... The entire system is filled with errors!!! Nothing worked, not levels, missions, or stats. It turned out that the Goddess who gave him the system made a massive mistake, she summoned too many heroes, fragmenting the system and leaving each person with only a single working part. And what part of the system did the young man receive? The system guide... "HOW ARE YOU GOING TO GUIDE ME, I DON'T HAVE A SYSTEM!!!"