Earth Restarts: All Humans Shrink 100 Times

The earth restarts, and all human beings shrink 100 times overnight. Civilization declines, technology dies, and order collapses. Human beings who once stood at the top of the food chain have become humble beings at the bottom of the food chain. In his last life, Gu Chen died tragically at the hands of his wife because he retained his last bit of conscience! One month before he was reborn and returned to Earth to restart, Gu Chen built micro-equipment in advance. Micro safe house, micro helicopter, micro off-road vehicle, micro armor, micro guns and elixirs, micro swords and shields, etc...