1boy, black_shirt, blood, blood_on_face, blood_on_hands, blue_eyes, fang, grey_hair, grin, hand_up, heart, heart-shaped_pupils, hunter_x_hunter, killua_zoldyck, long_sleeves, looking_at_viewer, male_focus, oysi_mysi, portrait, shirt, short_hair, simple_background, smile, smirk, solo, symbol-shaped_pupils, turtleneck, white_background, wiping_blood, wiping_face, wiping_mouth