The civilization before the collapse, heroes and heroes are reborn with me

When you wake up from a dream and travel back to the civilization before the collapse, you start out like a monkey, trapped under the ruins and unable to move? Without relying on the system, you are ranked as a fire-chasing hero, the inscription of [Divine Shadow]!
Kevin: "It has nothing to do with the ideals of all living beings, and it has nothing to do with the survival of civilization. This time, I must save him!"
Alicia: "This time... I must convey my feelings to him. I won't... let him leave me again."
Aponia: "Fate has made him fall into an eternal nightmare alone in the future. This time, I will not let him repeat the same mistake."
……
Zhu Yufeng: "This time, I will not let the pain of the past happen again. Even if I have to walk alone in the long night, I will fulfill my promise to her! Humanity will definitely defeat the collapse!"
This is a story about a young boy who went from having nothing to becoming a savior hero, and it is also a story about all the heroes who saved this lonely traveler.