Once they're both naked, it's inevitable that they'll desire each other!! In a hot spring resort where they've come to relax, things take a dreamlike turn and they become deeply intertwined with each other from a sense of freedom!! On a trip to seek the comfort and healing of a hot spring, their minds and bodies are excited and they encounter pleasure that exceeds climax!! In a slightly warm and open place, they become bold and become deeply intertwined with each other for 240 minutes!!