Dark uke

http://www.mangago.zone/read-manga/trap_ootsuki_miu/ though recommending this is a big spoiler in itself

Following

http://www.mangago.zone/read-manga/kare_no_shousou_to_koi_ni_tsuite/ (possessive)

http://www.mangago.zone/read-manga/sweet_heart_trigger/ (sorta mentally unstable)

http://www.mangago.zone/read-manga/lovely_play/uu/c003/pg-1/

http://www.mangago.zone/read-manga/veggie_channel/

This series: (he’s quite obsessive and even said something along the lines of wanting to kill any woman who lays their eyes on his man)
1. http://www.mangago.zone/read-manga/bi_no_isu/
2. http://www.mangago.zone/read-manga/kobi_no_kyoujin/
3. http://www.mangago.zone/read-manga/bi_no_kyoujin_smoke/

http://www.mangago.zone/read-manga/nure_nezumi_tachi_no_koi/

http://www.mangago.zone/read-manga/kirei_na_onii_san_ni_horeraremashita/

http://www.mangago.zone/read-manga/mob_kei_danshi_no_yuuutsu/uu/mob_kei_danshi_no_yuuutsu-chapter-3

http://www.mangago.zone/read-manga/i_am_your_pavlov_dog/

http://www.mangago.zone/read-manga/jibun_katte/

http://www.mangago.zone/read-manga/escape_into_oblivion/ (not quite right in the head either, but then again, everyone is fucked up in this story)

http://www.mangago.zone/read-manga/love_me_hard/

http://www.mangago.zone/read-manga/escape_into_oblivion/ (yandere seme x manipulative uke/the uke fools around with guys and w8ing for the seme to beat them up)
http://www.mangago.zone/read-manga/kiken_na_otonarisan/ (manipulative uke/ kinda rapes the seme)
http://www.mangago.zone/read-manga/akuma_chan_wa_momoiro/ (yandere seme x manipulative uke)
http://www.mangago.zone/read-manga/yume_musubi_koi_musubi/ (okay this is a comedy but the uke tries everything to get the seme/little devil uke)
http://www.mangago.zone/read-manga/sukidesu_zenbukudasai/ (the uke is a tsundere but he is possessive)
http://www.mangago.zone/read-manga/hebikui_tori/ (possessive uke)

Thank you for all the recommendations! I've read Escape into Oblivion, and it's one of my favorites :)

Thank you! :)

No problem. And yeah, Escape Into Oblivion is really good.

Thanks!

Been so long since you posted this but here's a new one:
https://www.mangago.zone/read-manga/red_mansion/
(Yandere Mc who is crazily obsessed with the Top and practically lives for him, also mentally fucked. The Top is abusive but is mentally ill as well. Despite that the story is so good).