1girl air_duct bag black_skin blue_cloak blue_dress blue_hat book brown_footwear cloak closed_mouth colored_skin commentary_request curly_hair dress eldritch_abomination extra_eyes hat highres holding holding_book horror_(theme) industrial industrial_pipe looking_at_viewer medium_hair messenger_bag monster open_door original red_eyes red_hair sharp_teeth shoulder_bag slime_(substance) socks solo stairs tail teeth tentacles unaware walking witch_hat yoshida_seiji