Airi and Takuo, a college student who is acquainted and dating in a circle, participated in a snow trip by being invited by Shouma and his friends. While gliding in the snowy mountains, Shouma is left behind in the mountain hut after being attacked by a blizzard. Two people who warm up each other with their cold bodies are forced to kiss and refuse, "No, I have a boyfriend", but I feel the responsibility of causing the accident and allow sex. At night when her boyfriend was worried and couldn't sleep, she was drowning in cheating cum shot sex to drown out the cold and anxiety ...