Seeking shelter from a sudden downpour, a group of schoolgirls took refuge under a roof, only to be approached by a local innkeeper they called "Uncle." He kindly offered towels, handed them snacks, and even allowed them to use his outdoor hot spring. But in truth, he was a rapist. As the cold rain poured down, the shivering girls were forcibly penetrated and filled with the man's hot semen, drawn helplessly into a whirlpool of pleasure. In that moment, his true nature was revealed.