A close-knit mother and daughter visit a hot spring inn. The mother is groped at the banquet hall and unintentionally feels aroused, her body still flushed with lingering sensations. She immediately reacts to a nighttime groper! Trying to hold back in front of her daughter but feeling it nonetheless! The daughter notices her mother's strange behavior, but seeing her mother's intimate parts for the first time causes her own arousal. In the end, both mother and daughter are driven to climax by the gropers!
