6+boys 6+girls ae-3803 ahoge apron aqua_jacket artist_request b_cell_(hataraku_saibou) backwards_hat bangs bare_shoulders baseball_cap belt black_eyes black_hair black_headwear black_mask black_neckwear black_shirt black_tank_top blonde_hair blue_headwear blue_shirt blush bob_cut box brown_hair copyright_name dendritic_cell_(hataraku_saibou) denim denim_shorts drill_hair empty_eyes eosinophil_(hataraku_saibou) epaulettes expressionless fanny_pack fur_hat glasses gloves green_headwear green_jacket grey_vest grin hair_between_eyes hair_over_one_eye hands_on_head hat hataraku_saibou helper_t_(hataraku_saibou) highres holding holding_box holding_sword holding_weapon hood hood_up jacket killer_t_(hataraku_saibou) long_hair looking_at_viewer macrophage_(hataraku_saibou) mask mast_cell_(hataraku_saibou) memory_cell_(hataraku_saibou) messy_hair multiple_boys multiple_girls necktie nk_cell_(hataraku_saibou) official_art open_mouth peaked_cap pink_headwear platelet_(hataraku_saibou) purple_neckwear red_blood_cell_(hataraku_saibou) red_headwear red_jacket redhead regulatory_t_(hataraku_saibou) running shaded_face shirt short_hair shorts shouting smile sword translated twintails u-1146 upset ushanka vest weapon white_background white_blood_cell_(hataraku_saibou) white_gloves white_headwear white_shirt yellow_eyes