Azuki is believed to ward off bad luck. It is also said to help expel fatigue and toxins from the body and keep the stomach healthy, making it a very healthy traditional Japanese food.
The English script for this episode can be found here. This will surely help you understand this entire episode. https://toralog.jp/podcast-episode86/
I introduce my hometown in English on YouTube. https://www.youtube.com/channel/UCJyb6vceAjGazPPGjJs-1Yw It has Japanese subtitles, so I think it'll be useful for your study! Please take a look at that as well!