A shortage of workers due to the declining birthrate and aging society.... Tamachi Electronics, a major foreign-affiliated medical equipment manufacturer, is no exception, and is looking for motivated employees. The protagonist, Toshiaki Murakami, is one of them. He is not a highly skilled employee, but he is willing to face anything head on and hit the ground running until he gets results. He was assigned to the Marketing Department, which continues to be the top sales department in Japan. The department is headed by the manager, Reika Hisaya, and two talented female staff members, Julia Takano and Saori Yuki. At first, Hisaya and the others are frustrated with Murakami, who makes a lot of mistakes, but they gradually become attracted to him as he works diligently and without hesitation.When the four of them go on a business trip together, they find that only one hotel room has not been reserved. "Then Murakami, one of us can share a room with you, right?" He nodded his head and chose... The sweet time between the virgin subordinate and the female boss began in secret.