1girl, arknights, armor, armpits, bare_shoulders, bound, bound_arms, breastplate, brown_eyes, covered_mouth, cowboy_shot, from_side, gag, gagged, green_hair, horns, hoshiguma_(arknights), leaning_forward, long_hair, profile, single_horn, skin-covered_horns, solo, suyi-j, very_long_hair, wall, wide-eyed