1girl, ahoge, animal_ears, black_choker, black_hair, blush, choker, dog_ears, fake_animal_ears, finger_in_another's_mouth, grey_background, hair_ornament, hair_over_one_eye, hairclip, heart, heart-shaped_pupils, long_hair, naoillus, open_mouth, original, piercing, rinni_(naoillus), saliva, simple_background, sleeves_past_wrists, solo_focus, symbol-shaped_pupils, teeth, tongue, tongue_out, tongue_piercing, trembling