The End of the World: I Am so Powerful That I Have the Ultimate Summoned Beast

"In this violent apocalypse, the only person you can rely on to survive is yourself." The girl was leaning against the corner, covered in blood, and lying next to her was a Tang knife that was not consistent with her height. Suddenly, a shadow covered her. I looked at him who didn't look like a living person in front of me, and thought for a few seconds. "No, I still have you, and I will definitely get you back!"