Luna, who works as a designer in Tokyo, injured the son of her client's president. Although Luna is strong and has a lot of pride, she has no choice but to go to the president to apologize, but she doesn't know that the tea he served her contained a diuretic. No matter how many times she apologizes, he won't let her go to the bathroom, and she humiliates herself by pissing on the spot... After that, he keeps finding her weakness and clinging to her, making her give him a blowjob and play with toys, and she can't hold back and wets herself many times. Gradually destroying Kokoro and bladder, Luna cums and urinates repeatedly...