Rule 34 Dev - 2boys angry armpit_hair armpit_sex armpits arms_up bar_censor bondage cum demon_slayer erection gay kimetsu_no_yaiba looking_away male male_only monochrome muscular muscular_male penis rengoku_kyoujurou restrained rope shiwashiwa_no_kinchakubukuru thick_eyebrows veiny_penis yaoi|5689402328