Security Guard at the Beginning, You Want Me to Guard the Tomb of Gods and Demons?

[Urban Superpower] + [School Beauty + Qingmei + Fake Love = Single Female Protagonist? +Acquire various powers of gods and demons+System+Making trouble+Refreshing article I heard from grandpa that this entire cemetery belongs to their family, and the people buried in it are all very powerful people. Su Yi sneered and called him shameless and shameless. Just because the director has been absent, a cemetery security guard really considers himself the master. Until that day, grandpa disappeared and filth descended... However, he only has the most useless F-level talent, and he is powerless. Then he discovered that the cemetery was really filled with gods and demons! Protect the cemetery from being invaded and gain the power of gods and demons! But Grandpa, how can I, a loser, guard the Tomb of Gods and Demons! Rely on the little yellow dog you left for me? What? ! The little yellow dog utters human words and asks me to collect the Twelve Dragon Curses for it? That's okay, it turns out to be the top Demon King Protector! Until the end, Sword Fairy? Dragon God? Demon King? All the gods and demons in the sky are at my disposal! Su Yi: "Grandpa, you won't deceive me! Being a security guard will save you decades of detours!" But then again, I can be so good, what about grandpa?