Taste characteristics: Umami is strong and mellow. It has a deep and luxurious taste that can also be used for dark tea in the tea ceremony. It is recommended to simply drink it as it is. It contains a lot of theanine. The theanine contained in this product has a relaxing effect on the mind and body. It has also been reported to be useful for improving sleep and reducing headaches and back pain. Reduces the discomfort of PMS and menopause. It is also effective in preventing dementia. Please use it when you want to take a break or have a drink before going to bed.