2boys baseball_cap black_eyes black_hair black_tank_top blonde_hair breasts cleavage clenched_hand collarbone collared_shirt column_lineup cracking_knuckles fighting_stance fist_in_hand gloves gradient gradient_background green_eyes grey_background hair_over_one_eye hat hataraku_saibou highres holding holding_sword holding_weapon killer_t_(hataraku_saibou) knife long_sleeves looking_at_viewer medium_breasts multiple_boys nk_cell_(hataraku_saibou) no_pupils open_mouth shirt short_hair sleeveless spiked_hair sword tank_top tsunami_(sorudora) u-1146 upper_body weapon white_background white_blood_cell_(hataraku_saibou) white_gloves white_hair white_skin yellow_eyes