J□st□□s L□ Lei□and□Han□M□imei thought they had see□ everyt□in□ the mansion □□□□to offer, th□□□st□□bled upon a □idden tra□door in the floo□□ Wi□h hearts □o□nd□n□, t□ey□opened the tra□do□r and descended int□ a□dark, mus□y tunn□l b□lo□. As they n□vi□□ted □□ro□□h t□e winding□p□ssages, the dim l□ght of their flashlight revealed a□cient □rtifact□□an□ c□ypti□ symbols on□the wa□ls. The □urther they□venture□, the more th□y real□zed they were not alone in □he □un□□l.