Sakura Gari-possessive
Scarlet-effing nuts
http://www.mangago.me/read-manga/hua_hua_you_long/
http://www.mangago.me/read-manga/risou_no_koibito/ possessive
http://www.mangago.me/read-manga/katekyo/ possessive...kinda light though :P
http://www.mangago.me/read-manga/bi_no_isu/ and sequel...yakuza seme
http://www.mangago.me/read-manga/the_4th_guard/ possessive and likes to bully...not a heavy read though its cute
http://www.mangago.me/read-manga/leopard_hakusho/ first seme fucks with the ukes mind quite a bit and is possessive
http://www.mangago.me/read-manga/kawaii_akuma/ possessive
http://www.mangago.me/read-manga/rakuen_no_ori/ they're both nutcakes...kinky you've been warned
http://www.mangago.me/read-manga/gosan_no_heart/ possessive...its an awesome manga
http://www.mangago.me/read-manga/akuma_wa_hohoemu/ possessive..would never hurt the uke...roofie him and lock him in his basement... but never hurt him
http://www.mangago.me/read-manga/koitomo_/ possessive spin off of katekyo
http://www.mangago.me/read-manga/hanazono_no_kioku/ there's psychological issues there too
enjoy hope you find some
Any good yaoi with possessive or harming seme like Yamakami Riyu's mangas?please and thank you!!!!:3