Ariadna soaks her underwear with urine until transparent, strips the garment away to relieve herself on the floor and into a bowl, drinks the liquid, and then pleasures her soaked pussy with a dildo.
The scene opens with Ariadna pressing her bladder against delicate fabric, watching it darken and cling as liquid seeps through. She discards the panties to release more streams across the floor and into a waiting bowl, pausing to taste what she has produced. The sequence ends with her sliding a smooth toy into her glistening center for rhythmic stimulation.