blush bowser brother_(lore) brothers_(lore) collar eyes_closed facial_hair fraternal_twins group hand_on_another's_head horn human humor kiss_on_lips kissing koopa luigi male male/male mammal mario mario_bros mustache newtid nintendo romantic romantic_couple scalie shell sibling_(lore) size_difference spiked_collar spiked_shell spikes spikes_(anatomy) trio twins_(lore) watching_from_afar
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