Rule 34 Dev - 2boys blonde_hair bulge demon_slayer fundoshi hair_down kimetsu_no_yaiba kyu_717 large_areolae male male_only muscular muscular_male nail_polish on_back puffy_nipples red_eyes rengoku_kyoujurou spread_legs thick_eyebrows topless topless_male two_tone_hair uzui_tengen white_hair yaoi|8393413808