2boys, ass, bare_arms, bare_shoulders, black_hair, blue_background, blue_pants, cowboy_shot, crop_top, fingernails, from_behind, from_below, gradient_background, grey_pants, hand_on_own_hip, heart, heart_print, hisoka_morow, hunter_x_hunter, illumi_zoldyck, kuhuo, long_fingernails, long_hair, male_focus, midriff, multiple_boys, pants, red_hair, red_nails, sharp_fingernails, short_hair, side-by-side, sleeveless, spiked_hair, straight_hair, thought_bubble, tight_clothes, tight_pants, toned, toned_male