A married woman named Sumire goes on a hot spring date with another man besides her husband. They are both excited during their car ride, leading to a passionate encounter upon arriving at the hotel room! She experiences the thrill of being filled up by someone other than her husband for the first time, and they continue their steamy affair even in the exclusive rented hot springs. In between meals, she enjoys intense oil massage orgasms using a vibrating device. Their morning after is filled with more passionate intercourse until they can't help but cum again and again! Despite knowing that her husband is waiting for her back home, she can't resist the temptation of having such an open relationship while away on vacation. Note: The contents may vary depending on the distribution method.