I 90-100% rec these:
http://www.mangago.me/read-manga/koi_wo_suru_tsumori_wa_nakatta/
http://www.mangago.me/read-manga/almond_o_nanatsubu/
http://www.mangago.me/read-manga/hina_wa_mitsuiro_no_koi_ni_torawareru/
If you're interested in more this list has bxg and bxb:
http://www.mangago.me/home/mangalist/937042/
http://www.mangago.me/read-manga/boku_wa_kimi_no_iinari/ I love this shit hope ya enjoy~ and no, it's not 'shit'

Can someone give me recommend me some yaoin that seme treat uke like shit then he regrets it like bj alex ganon(๑•ㅂ•)و✧