หนังโป๊ SKMJ-253 What if... a man and woman who missed the last train became friends and had the experience of washing each other at a mixed bathing hot spring? Two men and women in friend, work, senior-junior relationships, slightly tipsy, getting naked in body and mind, washing each other's bodies at a mixed bathing hot spring, simultaneously feeling aroused... Would they actually cross the line and end up having sex?