CREATE TABLE table_13464 ("Japanese Title" TEXT, "Romaji Title" TEXT, "TV Station" TEXT, "Episodes" TEXT, "Average Ratings" TEXT)

What Episode on TV Asahi Station has Rating of 12.0%?
SELECT "Episodes" FROM table_13464 WHERE "Average Ratings" = '12.0%' AND "TV Station" = 'tv asahi'
SELECT "Episodes" FROM "table_13464" WHERE "Average Ratings" = '12.0%' AND "TV Station" = 'tv asahi'