Magic Mirror No. GoTo Japan's 100 Famous Mountains! A sudden rock-paper-scissors showdown with a serious mountain girl who came to climb a winter mountain and compete for expensive camping equipment! A female college student, completely naked in both body and mind, has free sex in the great outdoors while her male friend waits under the cold sky. When she takes off her clothes, she is surprised to see hidden big breasts. Yuna, a natural amateur girl who loves nature, is featured!