With the opening of the World's Fair just a few days away, important people from around the world are staying at the three-star hotel where Kokoro works, "Hotel Shuratomi," to rest for a while. A Naomoto Prize-winning author, a world boxing champion, a popular actor, and a third-generation Japanese oil tycoon... Kokoro, who was told by her husband Koichi, who is also the manager, to "never make any mistakes," tries to provide the best hospitality, but the service required by the unique guests is too extreme for Kokoro...