On that day, you finished your work and returned to your apartment as usual, but unexpectedly, you involved in a large-scale conspiracy. Horrifying explosions, mysterious virus, and encounters with unfamiliar beautiful girls one after another... Can you break through the encirclement of the infected, safely leave the city, and find the truth behind? Will you uphold your kindness, distinguish right from wrong, and expose the darkness of human nature?


You will investigate the truth in Koran City during chaos - what lies behind this horrifying disaster? Is it natural or done on purpose? Surviving in the lockdown city, you will face various challenges and puzzles and try to escape with your mates. The outcome, whether it brings fortune or difficulty, remains unknown.


In the open Koran City, you can freely enter various locations, such as residences, shops, warehouses and more. During the exploration, you may trigger events or encounter other survivors. You influence them, and they influence you in turn.


You will survive with several NPCs with unique personalities. By giving them stuff they need or find interesting, you can increase their favorability towards you. As a result, they may show their gratitude by offering different forms of assistance. Perhaps you can even find the other half in your heart during the journey.


You will face a wide variety of puzzles. Solving these puzzles will give you extra rewards and uncover the stories of other survivors, which allows you to learn more about the truth behind the disaster.


During the journey for survival, you will encounter many infected individuals. Skillfully utilize your weapons and abilities to fight! Whether it’s close-range or long-range engagement, adapting your fighting style to different types of enemies is the key to survival.


You can easily access mission descriptions and goals through the mission system, which allows you to freely plan your next action. Additionally, by acquiring crafting recipes, you can make powerful items and equipment that greatly increase your ability of survival.