The End of the World: I, with the Nano Core, Destroy Everything

Su Heng traveled to a doomsday world At the beginning, he was bullied by evil people and kicked out of the shelter. My girlfriend was torn apart alive by zombies while trying to protect Su Heng At the critical moment Su Heng activated the nano core system Su Heng decided to take revenge on all living beings whether human or otherwise Note: This is a dark novel without a female protagonist. The protagonist starts from activating the system and kills everything. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.