1girl, animal, antenna_hair, armpits, arms_behind_head, arms_up, bare_arms, bare_shoulders, bird, black_footwear, black_socks, blush, breasts, brown_hair, collarbone, green_eyes, hair_between_eyes, hijikata-san_(m.m), koshirae_tsurugi, low_ponytail, m.m, naked_towel, original, parted_lips, penguin, pet_shaming, ponytail, shadow, shoes, sign, sign_around_neck, small_breasts, socks, sweatdrop, towel, white_background