While most females head south for the winter, a select few remain in the northern forests. Only the hardiest females can survive the freezing cold, but the ones that do have their first choice of food, shelter, and mates when the spring thaw begins.
Does this count at CBT? It was more like CBBT (cock, ball, boypussy torture) fuck machine railed me for a good 2 hours and I came more than I could count.