The Takeuchi couple has been married for 25 years. Rie, the wife, is a former nursery school teacher who supports her husband, Ippei's business while being a housewife. Ippei is a capable businessman who became independent from the manager of an izakaya and built a large shabu-shabu chain "Buta Hakusek" with his own hands. Even with their busy lives, they have raised their children together as a couple. Now that their children are independent, they decided to take a long-awaited hot spring trip together to discuss their future lives...
