detail illustration, clean outlines, smooth shading, very aesthetic, 2000s moe-style, heisei retro, flat shading, soft gradient, clean lineart, boy, gray hair, off-shoulder, black tank top, white coat, wearing white earphones and holding a black smartphone, black cargo pants, black boots, slender, androgynous boy, composition where the face is close and reaching a hand toward the viewer, looking down composition, intimidating expression, expressionless, crossed bangs, face covering half of the screen at close range, background is a back alley, green eyes, sitting, side lock, :d, sweat, barefoot, off-shoulder, wet, pillow, half-open eyes, half-open mouth, blush, flustered, flat shading, soft gradient, clean lineart, 2000s moe-style, heisei retro, detail illustration, clean outlines, smooth shading, very aesthetic