A perverted old man, the embodiment of lust and a synonym for uncleanliness, devours a fresh OL with little social experience as he pleases! Minami, who works as a secretary, had a crush on a senior employee, but her faint feelings were exploited by the old man president, and she was easily caught with her weakness! Minami, who endures the old man's sticky cunnilingus and raw insertion while grimacing for the sake of her beloved senior, but eventually the old man's sticky training captivates her young body...