http://www.mangago.zone/read-manga/leopard_hakusho/
first story (completed) = vol.1
http://www.mangago.zone/read-manga/ousama_game_takagi_ryo/
http://www.mangago.zone/read-manga/beautiful_beast/ Chiharu x Kazuki
http://www.mangago.zone/read-manga/virgin_love/
Kaoru x Daigo
Chiharu and Kaoru are cousins and they are both possessive and powerful, links i wrote are only part 1 of each story though, if you like them you can find the rest here:
http://www.mangago.zone/home/mangalist/7543/
http://www.mangago.zone/read-manga/i_want_to_be_naughty/
and the rest of this couple:
http://www.mangago.zone/home/mangalist/6968/
http://www.mangago.zone/read-manga/star_na_koi/
http://www.mangago.zone/read-manga/star_ni_ai/
http://www.mangago.zone/read-manga/dou_imo_nara_nai/
http://www.mangago.zone/read-manga/junjou_romantica/ ongoing
sekaiichi hatsukoi
Someone recommend me yaoi manga where seme is powerful and possessive but has fallen head over the heel for uke like in View finder & Okane Ga Nai ...