Rule 34 Dev - 1girls 2boys bi_domination bisexual bisexual_male black_hair black_legwear black_socks blindfold bondage bottomless bound_wrists breasts brown_hair clothes copyright_request desk fellatio female femsub footwear gangbang gay group_sex hands_tied highres kissing knee_socks kneehighs kneesocks makuro male maledom men_kissing mmf_threesome monochrome multiple_boys multiple_doms necktie nipples oral penetration penis saliva school_uniform sex shoes sketch socks spitroast straight sweat sweater_vest threesome tied_up tongue two_doms_one_sub uwabaki yaoi|3230360