overweight caucasian bbw woman squatting in the aisle of a Tokyo subway train, straddling a large black bubble dildo on the floor, wearing black high heels, long burgundy hair in double whirl ponytails tied with pink ribbons, black leather straps outfit, (extra large gold nipple rings and additional breast piercings:1.5), (large vulva piercings:1.5), densely tattooed with trashy designs all over torso, arms, (hips and thighs:1.5), smiling with an expression of extreme pleasure, wearing a long glossy pink trench-coat, fully open to reveal her outfit underneath, facing slightly towards the camera, urban subway interior with metal poles, fluorescent lights, seats, and subway signage, photorealistic, ultra-detailed, shallow depth of field, exhibitionist and voyeuristic atmosphere, nighttime, subtle reflections on floors and walls, several passengers of various genders in the background taking photos of her with their smartphones