Honkai Impact: Chess with the Sky

[Hero + warmth + touching + positive energy + positive outlook + no heroine. When civilization develops to a certain level, it will face the test of God, and a disaster called "collapse" will come. Either civilization will be wiped out by the collapse, or mankind will be reborn from the ashes and move towards a real future. This is a peerless legend written by a group of people named Ying Jie. It is an immortal epic written by a group of people named Ying Jie. It is a truly healthy, sunny and positive story. —————— PS: This is a parallel world of "Civilization Before Honkai Impact". Those who have played Honkai Impact can rest assured that it will be exciting. If you have never played it, you can rest assured that there will be many world settings in it, so you don't have to worry about not understanding it.