1. kotatsu   a bathrobe or an informal kimono   lake   famous Japanese hot springs   low table with heater below it, used in winter   Hint Half-n-half Clue   2. shinkansen   Japanese tea ceremony   Japanese classical drama   bullet train with very high speed   Japanese castle   Half-n-half Clue   3. tera   lake   bullet train of the 700 series with highest speed   a Buddhist temple   a bathrobe or an informal kimono   Half-n-half Clue   4. shiro   art of folding paper   the Imperial palace   Japanese castle   bullet train of the 700 series with intermediate speed   Half-n-half Clue   5. hikari   pagoda   a Buddhist temple   bullet train with very high speed   bullet train of the 700 series with intermediate speed   Half-n-half Clue   6. baa   bullet train of the 700 series with highest speed   a traditional Japanese hotel   the Imperial palace   bar   Half-n-half Clue   7. bento   bullet train of the 700 series with low speed   Japanese classical drama   mountain   A set lunch box   Half-n-half Clue