Amazake, a traditional fermented drink made from rice and koji, is rich in nutrients, with a mild sweetness that enhances recipes. Discover the hidden power of this "drinkable IV drip."

Reporter: Michael Keida

Walnuts have long been valued in Japan. In a major production area, join a wild harvest using bamboo poles and recreate an ancient meal. Back in Tokyo, enjoy walnut dishes at a renowned restaurant.

Reporter: Kailene Falls