Rule 34 Dev - 2boys bar_censor big_pecs blowjob blush demon_slayer erection fellatio gay heart-shaped_pupils kimetsu_no_yaiba looking_at_viewer male male_only monochrome open_mouth oral paizuri pecjob pecs penis saliva solo_focus sweat takenameko tomioka_giyuu tongue_out twunk veiny_penis yaoi|7167468280