Halberd of Creation

The residents in the cave have simple but strange folk customs, the mechanical battlefield that repeats forever without seeing the winner or loser, the fallen star whose internal organs have been completely replaced by fungi but can move freely... Buyu has never seen any of these, but now he is inexplicably among them - in short, he is now exploring a new world with a strange girl. The short story is about 50 chapters complete, 1V1 pure love He