1girl, arknights, arm_behind_back, black_footwear, black_sailor_collar, black_skirt, black_socks, exusiai_(arknights), full_body, grey_background, halo, hand_up, looking_at_viewer, no_wings, orange_eyes, pleated_skirt, red_hair, sailor_collar, school_uniform, serafuku, shadow, shirt, shoes, short_hair, short_sleeves, simple_background, skirt, socks, solo, thighs, toyzz_(wanjuww), w, white_shirt