I need yandere mangas(male yandere), yaoi or shoujo doesn't matter.(I already read color r...

Here's some in BL (yandere trope is more common, so there are more out there. I just linked some that I found memorable)
http://www.mangago.me/read-manga/yandere_hitotsu_yane_no_shita/
http://www.mangago.me/read-manga/dear_crazy_monster/
http://www.mangago.me/read-manga/nani_mo_iwanai/
http://www.mangago.me/read-manga/sokubaku_kei_kareshi_boyfriend_restraint_system_free_dj/
http://www.mangago.me/read-manga/warehouse/
http://www.mangago.me/read-manga/deichuu_no_hasu/
http://www.mangago.me/read-manga/gintama_dj_mienai_kusari/

Here's some in Shoujo (yandere in shoujo isn't as common/hardcore, but it's still there)
http://www.mangago.me/read-manga/hadashi_de_bara_wo_fume/
http://www.mangago.me/read-manga/metronome/
http://www.mangago.me/read-manga/aishite_kudasai_sensei/
http://www.mangago.me/read-manga/risou_no_kareshitachi/
http://www.mangago.me/read-manga/it_s_mine/

Please recommend me some that you also found interesting. I've also read colour recipe and other stories that are close to yandere (possessive lover), but some are not truly hardcore yandere :< so if you know more yandere stories, please tell me as well :3