1boy, 1girl, arms_at_sides, black_footwear, black_hair, blurry, boots, brother_and_sister, clinging, drawstring, fingernails, genderswap, genderswap_(mtf), green_skirt, hand_on_another's_shoulder, hand_on_own_thigh, hand_up, head_out_of_frame, hunter_x_hunter, illumi_zoldyck, irpot, killua_zoldyck, knee_boots, leg_grab, legs_apart, long_sleeves, miniskirt, pants, pencil_skirt, sash, shadow, sharp_fingernails, shoes, short_hair, siblings, simple_background, skirt, spiked_hair, white_background, white_hair, white_pants