[Infinite] I'm a Willing Wage Slave

Jiang Ming wakes up to discover that she has become an illegal drifter. With no memories, no identity, and nowhere to run, someone with nothing to their name has only one fate in this apocalyptic world: to be erased by the city’s “cleaners.” She has barely taken a few steps when she falls into a bizarre instance. System: “Warning! Unknown sequence core detected… Codename… Pain…” She successfully obtains player status in the Mirror Realm System, along with a core that exudes an air of mystery. The only problem is that the core’s functions seem a little questionable. “Core ability acquired: Pain perception can be amplified by 300%.” Jiang Ming’s finger moves toward the uninstall button. “I’ll pass.” “When pain is amplified by 300%, attack power is also amplified by 300%.” Jiang Ming: “You should’ve said so earlier.” Within the Mirror Realm’s Echo Instances, two player factions wield power beyond the reach of ordinary people. It is through the struggle between virtue and sin that humanity has managed to survive in the apocalyptic world since the instances appeared. A blood-red announcement jolts the entire Mirror Realm awake: [The Saints] are holding the Holy Book of Virtues and intend to judge her. [The Sinners] swirl their red wine and bet on when she will fall. What exactly is the “Pain” core? The good news: it isn’t one of the Seven Sins. The bad news: it isn’t one of the Seven Virtues, either. So what is it? And who is she? Keeping her trump card hidden, Jiang Ming begins her daily grind at the Echo Administration Bureau, ready to overturn the whole table. After all, even when the apocalypse comes, you still have to show up for work.