Rule 34 Dev - 2boys back-to-back black_hair blonde_hair brown_eyes coat cuffs dino dino_cavallone formal handcuffs hibari_kyouya katekyo_hitman_reborn! m1a1 male_focus multiple_boys necktie omega_2-d purple_hair red_eyes red_neckwear school_uniform simple_background smile yellow_eyes|1709642610