Nice little article. https://www.tsunagujapan.com/coffee-flavored-natto-soyffee/
Dream Coffee
Name: Dream Coffee Kind: Cafe Location: Ikebkuro – around 35°43’52.43″ N 139°42’21.89″ E Station: Ikebukuro Station Address: 3-chome-31-10 Nishiikebukuro Toshima City Tokyo-to 東京都 豊島区 西池袋…