2girls, ass_visible_through_thighs, bikini, black_bikini, breasts, fate/hollow_ataraxia, fate/stay_night, fate_(series), forehead, glasses, hand_on_own_hip, kikyouta, long_hair, looking_at_viewer, medea_(fate), medusa_(fate), medusa_(rider)_(fate), multiple_girls, pointy_ears, purple_eyes, purple_hair, simple_background, smile, swimsuit, upper_body, white_background