I'm a Singer, and You Tell Me to End the Apocalypse?

[Doomsday + System + Super Power + Train Survival + Digitization] Good news: The person is not dead and has traveled through time. Bad news: I traveled through time and became a licking dog. Good news: There is a God of Song system. Bad news: It's the end of the world. … The world collapsed, taboos revived, and the building collapsed. A train with no end in sight travels across the fragmented land, carrying survivors to complete one trial after another. Who can become a god? … "Hey, come over and help." "No, I haven't awakened my powers yet?" "Is it interesting for you to hide behind a man?" "How about I sing you a song?" "..." Many years later, Chen Fan, who was already invincible, chose to end this apocalypse himself. "If you are trapped in a no-man's land, I will sing a high song for you." - Chen Fan, the singer of the end of the world