Subway Survival: Start by Taking the Witch to Watch Commercials

[National Survival + Unlimited Streaming + Combat Upgrade + Multiple Women] One night later, all Blue Star people traveled to the subway world, and staying alive became everyone's first priority. Although this is a digital world, every survival need is real, such as water, food, supplies, and even upgrade materials... Every 12 hours, the subway arrives at an unknown platform. Outside the door, it may be a different world full of monsters, it may be a zombie city, or of course it may be the extraordinary Cthulhu. Players can upgrade, the subway can be upgraded, and the difficulty of the unknown world is also being upgraded! Li Zhu awakens [Advertising System] and consumes emotions (sanity) to unlock: [Resurrection after watching ads, once a day] [I want to watch all the ads, once a day] [Rewards for watching ads are doubled, once a day] [The progress of watching ads is accelerated, once a day] [Note: Advertising is polluting and will lower your mood, please keep adjusting. From the small carriage to the Iron Dragon City, welcome to my... Metro Dragon City.