For two weeks, he filmed himself daily, capturing the stains and soiling on his underwear in front of the camera. He indulged in the smell and texture of his underwear in various locations—his home, workplace, train station restrooms—and reported on the sensations. After wearing a single pair of underwear continuously for four days, it became shockingly dirty, even to him. Obsessed with the intense odor, he is driven to masturbate while inhaling the scent, depicting his impulsive and compulsive behavior.