tsukasa nagano, a construction site manager at a certain company, has a mountain of work but a shortage of manpower. the company takes this situation seriously and entrusts tsukasa with everything from recruitment to new employee training. in the mountainous construction industry, middle-aged men with various backgrounds often become the mainstays. in such a remote mountain area without tourism or red-light districts, it's inevitable that... however, this is the pinnacle. despite appearances, tsukasa, the director, was quite the slut in her younger days and was somewhat known. using her proud ass as a weapon, she started her dream recruitment campaign with the motto of satisfying her own sexual desires and creating a workplace where no one would ever want to leave.