Akihiko Nakajima is... a somewhat unreliable university student. This time, I'm going to muster up the courage to confess my love to the girl I've had a crush on for so long... …However… however… it tragically sank. The reasons are… “They look a bit shabby” and “They don’t seem reliable.” Akihiko is feeling a little depressed... However, he was tough. He made a firm decision and… started working on a construction site… He aspired to acquire both strength and money, but... the world wasn't that simple. Among his colleagues were... Takahara Minako, also known as Otaka-san, a mass of muscle, and others. Harumi Tanikawa, naturally naive... Takapi, aka Lady Mutsumi Oshima... and the attractive thirty-something Hiroko Miike... And so, a parade of eccentric characters. Upon joining the company, he is forced into a sexual relationship by the site manager, Hiroko Miike, under the pretext of an entrance exam. Akihiko worked hard. After diligent work, he managed to convince the supervisor and was hired by Nekoyanagi Construction. But… what awaited him was… a series of other sexual invitations… What