Honkai Impact 3 Civilization War

Survival... Is the first necessity of civilization. When the earth's energy was exhausted, humans sent a young man to other universes. Cheng Feng: Hello, I am Cheng Feng Raiden Meiyi: You are... Kiana: What a strange person... Himeko: Where did he come from? The mysterious old man, the unknown civilization, the disaster of collapse, and the crisis era in the future. "Uncle Xu, take good care of my dad." "Dad, I'm leaving." "Goodbye, Earth." "The new world is full of all kinds of crises, and it's a bit difficult to deal with." "Keep going, no one can stop me."