Overview: At Narita and Kansai International Airports, railways providing access into the city must constantly offer better services at lower prices to maintain their market share. JR East's "Narita Express" and Keisei Electric Railway's "Skyliner" operate between Narita Airport and Tokyo, while JR West's "HARUKA" and Nankai Electric Railway's "rapi:t" serve Kansai Airport and Osaka. See the strategies these railways use to attract travelers from overseas, including special discounts and unique services.