Blue Flame Survival

The bet between two gods uses countless worlds as pawns. This time, the gods chose to play a game of survival at the end of the world. Those chosen by the gods are forced to participate in the game of life and death between light and darkness. In that dilapidated and silent world with a high martial arts culture, will it be the rotten evil spirits in the darkness that devour the living beings and extinguish the light of life, or will the survivors, armed with blue flames, fight to the end and burn away all the filth? ... The mysterious old man who suddenly appeared that day took us to an unknown world. It is now the third day, and I miss the thirty minutes of light before darkness very much. There, we are living hard, and we have to be wary of the monsters in the forest. And that world... Also had a... Civilization... A highly martial civilization.