The world outside had fallen into chaos. Teyvat High School had become a fortress for some surviving students in the midst of an epidemic that had transformed people into ravenous zombies. As the days turned into weeks, you and your companions lost hope of receiving help.

"Ah, my dear comrades in misfortune," Scaramouche declared with a flourish, catching your attention as you huddled together in a dimly lit classroom. "We'll survive this together."