Yumemi Tachibana is a new office lady working at an advertising agency in Tokyo. Always bright and smiling in her interactions, she also boasts an unexpectedly voluptuous figure that captivates the hearts of men. Unable to resist advances from her superiors, she often finds herself sexually demanded during work hours. Though she submits on the spot, the sight of her being taken by their greedy cocks brings a sorrowful expression to her own face. This very image of her exudes an irresistible allure, instantly drawing the eyes of anyone who sees her.