arknights, platinum_(arknights), 1girl, animal_ear_fluff, animal_ears, ass_visible_through_thighs, bar_censor, blue_shirt, blush, bottomless, bright_pupils, brown_eyes, censored, female_masturbation, fingering, grabbing_own_breast, grey_hair, horse_ears, long_hair, masturbation, motion_lines, navel, panties, panties_around_one_leg, parted_lips, pillow, pussy, shirt, short_sleeves, simple_background, solo, spread_legs, stained_sheets, underwear, white_background, white_panties