Luna, who works as a designer in Tokyo, ends up injuring the son of her client's president. - Luna is strong and proud, but she has no choice but to go to the company president to apologize, but she doesn't know that the tea he serves contains diuretics, and no matter how many times she apologizes, he won't let her go to the bathroom, and she ends up humiliating herself on the spot. - After that, she was exploited by her weaknesses and was forced to give him a blow job and was given a toy, which made her pee many times. - Luna's mind and bladder are gradually destroyed and she cums repeatedly and urinates again and again...