Indoor mirror selfie in contemporary bedroom/dressing area, soft warm ambient lighting, neutral slightly blurred background suggesting closet doors or plain walls. Korean female aged 20-23, extremely slender S-curve figure with pronounced ant waist and defined abs. Ulzzang aesthetic: small V-shaped face, large bright deer-like eyes, prominent aegyo-sal, flawless glass skin with porcelain tone, full cherry lips. Warm brown medium-length wavy hair with air bangs. Confident pose lifting sweater hem to reveal waist, soft pleasant expression with faint smile. Cream-colored short cable-knit sweater with organza ruffled sleeves, low-rise loose blue jeans. Holding dark gray smartphone with rear camera visible in mirror. Clean high-quality mobile photography, vertical 3:4 aspect ratio, sharp focus on subject.