1. the Imperial palace   bento   kookyo   origami   kimono   Hint Half-n-half Clue   2. mountain   yama   kotatsu   kodama   shiro   Half-n-half Clue   3. art of folding paper   origami   momiji   chanoyu   mizuumi   Half-n-half Clue   4. A set lunch box   origami   kimono   bento   ryoori-ya   Half-n-half Clue   5. bullet train of the 700 series with low speed   hakubutsukan   chanoyu   kodama   hikari   Half-n-half Clue   6. Japanese tea house   chaya   hikari   minshuku   yukata   Half-n-half Clue   7. low table with heater below it, used in winter   kotatsu   jinja   onsen   bento   Half-n-half Clue