University students Airi and Takao, who met through a club and are dating, joined a ski trip invited by the sleazy guy Shoma. While skiing on the mountain, they were caught in a blizzard and Airi and Shoma got stranded in a mountain hut. The two huddled together to warm up, but when Shoma tried to kiss her, she refused saying 'No, I have a boyfriend.' However, feeling responsible for causing the accident, she ended up consenting to sex. Unable to sleep at night due to worry about her boyfriend, she indulged in infidelity during sex to drown out the cold and anxiety...
