Realistic depiction, a male vampire in his 20s, slender but not frail, sharp and clean features, eyes sharp with a sense of vigilance, black or dark brown hair, hairstyle practical and understated, expression very tight, standing posture ready to step back and observe the situation, overall cool and realistic, low saturation, realistic fabric texture, natural skin texture, subtle tiredness, non-exaggerated makeup, not a fashion magazine feel.