Yui took in her relative, Chin-tai, from the president of a business partner she owed a favor to. However, this Chin-tai was an unbelievable little brat! Normally, Yui acted all high and mighty as the president, but she found herself at a loss with Chin-tai's pranks! After being spoiled and taking a bath together, she was shown his impressively erect dick, and she wasn't entirely displeased. Excited from living with an adult woman, Chin-tai begged Yui to secretly take care of his sexual needs in the president's office! Their acts escalated without regard for their surroundings, and Yui, who had been sexually frustrated, gradually became addicted to his dick...
