2girls, arknights, artist_name, assisted_stretching, barefoot, black_pants, blush, breasts, brown_hair, cleavage, cmdr_saturn, deviantart_logo, feet, grey_hair, hair_between_eyes, hands_on_feet, instagram_logo, legs, long_hair, lying, medium_breasts, mirrored_text, muelsyse_(arknights), multiple_girls, on_back, orange_eyes, orange_sports_bra, pants, pixiv_logo, pointy_ears, saria_(arknights), soles, sports_bra, stretching, toes, twitter_logo, twitter_username, yoga, yoga_mat, yoga_pants