1girl, animal_ear_fluff, animal_ears, arknights, arm_strap, arm_up, armpits, bare_shoulders, blue_sky, blush, breasts, cat_ears, cloud, cowboy_shot, day, grey_eyes, grey_hair, groin, kal'tsit_(arknights), large_breasts, looking_at_viewer, namikare, navel, outdoors, short_hair, sky, solo, standing, star_of_life, stomach, syringe, thigh_strap, thighs