Supreme Upgrade System

Modern people suddenly traveled through time. They were once useless because they were born without genetic blood. Later, they were accidentally bound to the supreme upgrade system. From then on, they reached the pinnacle of life and eventually became the most powerful person in the universe. There will definitely be beauties, how can there be no beauties? You have a god-level bloodline, watch me devour your bloodline, you have an immortal weapon, watch me exchange it for a weapon in the system store and blast you into scum. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.