Rule 34 Dev - 2boys avian_humanoid black_nails blush claws crying demon demon_boy demon_slayer drooling dual_persona feathered_wings feathers gay green_hair hantengu horns implied_sex karaku kimetsu_no_yaiba long_hair_male male male_only meme multiple_images muscular muscular_male p_parituhh pointy_ears profile saliva saliva_trail selfcest sleeping sometimes_like_this_also_like_that sweat tears tengu text urogi veins veiny_muscles wings yaoi yellow_hair youkai|8978825096