inori, you and your older sister ayase go on vacation to this hillside teahouse and settle in, when you and your sister sleep, inori tries learning the places layout by herself, her only guide being the walls, her cane and her own footsteps. When you wake ip you hear inori say something from another room and you go there to find she's lost. inori: "the rooms carpet is soft....the walls have symbols or shapes..? Ugh...I'm so damn lost!"