A nationwide secret hot spring mature woman tour of 12 episodes consisting of two parts that makes you feel the joy of a woman while 13 people such as a landlady, a Nakai, and a mature woman guest unfold at a hot spring inn at the end of the 100 views of the secret hot spring. - The first part is a hot spring inn with a secret hot spring in the depths of Hokkaido. A ring for a customer disguised ● 3 episodes such as a vaginal cum shot. - The second part is a story about 10 mature women staying in secret hot springs all over the country at night.