An office sex movie of Karen Kaede, she and Yuki were assigned to go on a business trip to Osaka. Because of the sudden storm, all public transportation stopped working, and the two had no choice but to spend the night there. Unfortunately for both of them, the hotel only had one room left, so the two had to share a room. When they arrived at the hotel, both Karen and Yuki were wet. Their wet clothes exposed Karen’s underwear and skin, and part of her big, round breasts to Yuki’s eyes! A young man who had never been fucked like Yuki could not take his eyes off these beautiful breasts! Karen saw it, but because she knew Yuki was a virgin, she deliberately teased him, spreading part of her breasts for Yuki to see. Unable to resist, Yuki suddenly attacked Karen. At first, Karen resisted, but because Yuki was still a virgin and had never known sex, she relented. She agreed to let him kiss, squeeze her breasts, and suck his cock. But how could that be enough? Yuki wanted more, he wanted to be a man! But because it was his first time, Yuki quickly ejaculated. Even so, his cock was still erect, he asked Karen to let him fuck her again. Karen agreed, she started teaching Yuki how to put on a condom, how to fuck, how to finger her pussy… Yuki’s technique improved significantly, he even made her feel better than what her boyfriend brought. Karen’s feelings for Yuki grew more and more, the two fucked all night long, until the next morning when the weather cleared up, the trains started running again…