RUBY conducts an ambush interview with internet acquaintances who are into weird stuff! This time, it's the hidden hot spring inn edition! The ultimate fetish of swapping partners. Four groups of sixteen people, extreme perverts seeking high-level pleasure, weave a forbidden banquet captured on a fixed-point camera. We've recorded the entire process of live swapping! Offering your beloved partner to others and getting lewd in front of your beloved partner... We deliver the raw swap.
