Rule 34 Dev - 2boys abs blush erection kimetsu_no_yaiba leg_grab legs_apart looking_at_viewer male_focus male_hand multiple_boys muscular muscular_arms muscular_legs muscular_male muscular_uke nipples nude on_bed pectorals penis pov pov_hands rengoku_kyoujurou sex spread_legs thighs toned toned_male toned_stomach uzui_tengen veins veiny_penis yaoi|16844566869