Rule 34 Dev - 00s 5boys black_hair blonde_hair coat collar cowboy_shot dino dino_cavallone expressionless formal_clothes gokudera_hayato hibari_kyouya katekyo_hitman_reborn! long_sleeves looking_at_viewer multiple_boys open_clothes open_coat orange_hair rokudou_mukuro sawada_tsunayoshi silver_hair spiked_hair suit|677143584