Airi and Takuo, college students who met in a circle and are dating, were invited by the sleazy guys, Shoma and others, to go on a snowboarding trip. While snowboarding on a snowy mountain, they were caught in a fierce blizzard and Airi and Shoma were left stranded in a mountain hut. The two of them huddle together to warm their cold bodies, and when she is forced to kiss, she refuses, saying "No, I have a boyfriend," but she feels responsible for getting them stranded because of her and allows sex. On sleepless nights worrying about her boyfriend, she indulged in cheating creampie sex to drown out the cold and anxiety...