NeneYashirohasmadeapactwith“Hanako-sanoftheToilet,“akaHanako-kun,toholdoffthecursethathasbeenplacedonher.Inexchange,shehastohelphimresolvetheproblemscausedbytheschool’ssupernaturals--startingwithrescuingherfriendAoifromtheclutchesoftheMisakiStairs,oneoftheinfamousSevenMysteries.CantheyreachtheinnermostdepthsoftheStairsbeforetimerunsout?Andiftheydo,whatdangersandsecretsawaitthemthere...?
