2boys, 2girls, ahoge, anger_vein, bag, black_eyes, black_hair, boots, brown_eyes, chibi, dual_persona, facial_mark, gas_mask, headphones, mask, mole, mole_under_eye, multiple_boys, multiple_girls, notebook, open_mouth, pants, pants_under_skirt, pink_eyes, ponytail, red_eyes, school_uniform, short_hair, smile, sweater, twintails, upside-down, white_hair