Where is the most famous black tea produced in japan? What kind of tea is Wakoucha black tea?

About Japanese black tea and mouthful tea is a kind of black tea made in Japan. Although Japan is most famous for green tea, such as fried tea and Yulu tea, Japan also produces some special black tea every year. Compared with typical black tea produced in China and India, Wakoucha's tea is lighter and milder, with red tones and pleasant