A series centered around approaching women encountered by chance on the street and asking them to show off their panties. The targets are girls with a slightly nerdy vibe, who, when asked to show their panties, hesitate with mild embarrassment but ultimately comply. This leads to scenes where visible impure stains on their panties are examined, or they subtly present the scent for inspection. Damp, sweat-soaked panties become even more vivid and visually compelling due to the presence of these stains. Attention is drawn to the varying intensity, spread, and condition of the stains, as well as the subtle shifts in the girl's expression. The texture of the panties and the moistness of the stains are meticulously captured, allowing observation of nuanced differences based on fabric type, color, and material. Even in quiet scenes, an underlying tension captivates viewers and stimulates fetishistic desires. Beyond visual appeal, the narrative structure engages the imagination. Recommended for viewers who want to savor, in detailed visual form, the stories implied by the "traces" left in the stained panties. (Panty flash, close-up of genital area, fetish panties, close-up masturbation, smell fetish, stained panties, fetish underwear, wet panties, stained undies, stained panties, underwear fetish, lingerie, soiled panties, lingerie)