Im looking for yaoi mangas with possessive semes ლ(´ڡ`ლ)

Try "Katekyo!"

http://www.mangago.me/read-manga/ore_dake_mi_nai_to_xx_shichau_zo/ Maybe?

http://www.mangago.me/read-manga/unfather/?5o4q

http://www.mangago.me/read-manga/zetsubou_ni_nake/
http://www.mangago.me/read-manga/even_if_you_don_t_love_me/
http://www.mangago.me/read-manga/yajirushi/
http://www.mangago.me/read-manga/color_recipe/
http://www.mangago.me/read-manga/sakura_gari/
http://www.mangago.me/read-manga/mitto_mo_nai_koi/
http://www.mangago.me/read-manga/animal_play/
http://www.mangago.me/read-manga/dogma_akabeko/
http://www.mangago.me/read-manga/decision_webtoon/
http://www.mangago.me/read-manga/k_s_secret/
http://www.mangago.me/read-manga/hosik_s_story/