The Strange Play in the Box

Infinite Flow + Instanced Dungeons + Supernatural Horror + Survival, Horror + Comedy, Everyone Is Smart, Single Female Lead

One night, I had a strange dream, bloody and terrifying enough to jolt me awake. I found an antique-looking box in my hand. When I opened it, I unlocked a game dungeon. As the game grew more difficult, I gained the power to fight the supernatural, and also began to see the truth about this world.