saitou natsuki, kourin tenshi en ciel rena, game asset, large variant set, non-web source, official art, self-datamine, variant set, 1girl, 2000s (style), armor, black hair, blue eyes, bodysuit, breasts, cleavage, cleavage cutout, closed mouth, clothing cutout, corruption, dark persona, expressionless, gloves, grey bodysuit, headgear, mecha musume, mechanical ears, medium breasts, purple eyes, sakashita miki (en ciel rena), short hair, simple background, solo, standing, tachi-e, transparent background