They Mistook Me for the Boss Again in a Bizarre Dungeon

(Strong female lead, no romance. The stronger the enemy, the stronger the heroine. The heroine is invincible in her instances.)

The world's order collapsed, and malice surged forth.

In the Realm of Evil, eerie instances began appearing. According to their rules, each instance had only seven players, but Lan Yin was always the extra one.

Players: Isn't she an NPC?

NPCs: She's on our side!

Lan Yin: Which side am I supposed to be on? Fine, I'll be on my own side.