Peeing while fully clothed captures the true essence of the "accidental leakage" fantasy. Drinking fluids slowly over time, she struggles to hold it in, but going to the bathroom is forbidden. When she finally reaches her limit, she straddles a prepared washbasin and lets go, urinating while still wearing her panties. Urine seeps through the fabric, visibly staining them, and she embraces the basin filled with her own urine, her face twisted with humiliation. This intensely erotic scene showcases the raw, emotional realism that defines Natsu Hara Yui's performances.