mercury (shining nikki), nikki (formal) (shining nikki), nikki (nikki), nikki (series), shining nikki, artist request, game cg, highres, official art, third-party source, 1boy, 1girl, aiming, at gunpoint, bare shoulders, black gloves, brown scarf, business suit, coat, coat on shoulders, collared coat, collared jacket, collared shirt, cowboy shot, doorway, dress, dress pants, elf, expressionless, face-to-face, fleur-de-lis, formal clothes, frilled dress, frills, from behind, gloves, grey coat, grey jacket, grey necktie, grey vest, gun, hair between eyes, handgun, holding, holding gun, holding weapon, indoors, jacket, lace, lace-trimmed dress, lace trim, lapels, layered sleeves, light particles, long hair, long hair between eyes, long sleeves, necktie, notched lapels, off-shoulder dress, off shoulder, official alternate costume, open clothes, open door, open jacket, pale skin, pants, pillar, pink hair, plaid clothes, plaid scarf, pointy ears, red dress, scarf, shirt, short hair, short over long sleeves, short sleeves, standing, suit, upper body, vest, wavy hair, weapon, white hair, white pants, white shirt