From the Koiwai Dairy Products "Koiwai Coffee" series, the autumn-only flavor "Koiwai Coffee Koku Double" was released on September 17th exclusively at convenience stores. The price is around 138 yen.
Autumn-only "double the richness"
Autumn-only "double the richness"

Compared to regular "Koiwai Coffee", this product has twice the amount of fresh cream and 20% more coffee beans. By adding buttermilk, it is said that it has a rich and sweet taste.