The Strange Story About Rules: Abducting the Cat Sister in the Dungeon

[Strange stories about rules + no system + no invincibility + no brainlessness + two heroines] This is a world full of weird rules, with countless dangerous copies and weird rules. Is it to distinguish the true from the false, avoid the weird, survive, or the truth, or both? A girl named Cheng Wanqiu will take her lovely sister abducted from the copy to find the secrets hidden by the God of Ghost Stories...