A 13-part, 2-episode nationwide tour of secret hot springs where 12 people, including the proprietress, waitress, and mature customers, feel the joy of a woman while being violated at a hot spring inn in the outskirts of one of the 1 secluded hot spots.In the first part, guests who came from Tokyo at a secret hot spring inn in Hokkaido sneak into the room of the fifty-year-old waitress with huge breasts and super breasts, and spend the night next to the husband. 3 episodes such as a ring to a customer who pretends to be a vaginal cum shot.Part 2 is a secret story composed of 10 episodes where 9 mature women staying at secluded hot springs across the country are orgy at night.