1.) http://www.mangago.me/read-manga/the_summit/ (Takes a while for the story to progress though so you might not get the possessiveness until later on.)
2.) Few works by Ogawa Chise. (Caste Heaven, Gosan No Heart, Ibitsu Na Kakera (warning: Incest), etc.)
3.) Most of Madarame Hiro's work. 98% of them.
4.) http://www.mangago.me/read-manga/koisuru_boukun/
5.) http://www.mangago.me/read-manga/kachou_fuugetsu/ (Light.)
6.) Sekaiichi Hatsukoi and Junjou Romantica from Nakamura Shungiku (Light.)
7.) The entire Kuroneko series by Sakyou Aya.
8.) http://www.mangago.me/read-manga/hanamachi_monogatari_hatsuzakura_mau_yoru_no_shitone/
9.) http://www.mangago.me/read-manga/you_re_my_loveprize_in_viewfinder/
10.) http://www.mangago.me/read-manga/hanagaya_eigyousho_no_kare/ (Light.)
thank you!
are there any mangas with possesive seme !! (●'◡'●)ﾉ