Senior Sister, Don't Look Back

Just after taking a nap in the library, Xiao Ya fell into a world of infinite rules. Those who obey will live, those who disobey will perish. Rule: Never look back Rules: Kill intruders Rule: Only choose blue Rule: Become the Majority ······ Rules: Get rid of fellow travelers ······ Rule: Erase yourself When humans become guinea pigs of unknown power, you choose to accept your fate calmly, or to struggle to survive. Xiao Ya: I choose the latter.