Shirota had just joined the company, his superior, director Yuko, was famous for being very strict with his subordinates. As a new soldier, Shirota often made mistakes and was scolded by Yuko. On this business trip, Yuko decided to let him come along to learn. Through this business trip, Yuko saw Shirota's cuteness and shyness. She really liked the shy expression when he touched her hand and insisted on pouring her a drink... When they arrived at the hotel that Shirota had booked, they discovered that there was only one room left. Shirota planned to sleep outside, but Yuko allowed him to sleep with her. Feeling a bit tired, she asked him to give her a massage for a while. While massaging, Shirota was able to touch Yuko's soft, smooth, beautiful body. Yuko's two giant breasts made it impossible for Shirota to take his eyes off her. A virgin like him could not resist this deadly charm! He immediately squeezed and sniffed Yuko's body scent, took off her clothes and wanted to make love with her. Yuko wanted to refuse, but because Shirota was still a virgin, she couldn't bear it. So Yuko allowed him to make love with her once. But the feeling of pleasure that Shirota brought made Yuko forget everything. The two of them continuously entangled with each other all night long until the next morning, even missing their flight and continuing to make love without stopping...