I love manipulative, psychological, kinda mentally abusive shits like this. Reccomend som...

http://www.mangago.zone/read-manga/koi_wo_suru_tsumori_wa_nakatta/?NJgG

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

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

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

Or if you haven't already read killing stalking (you probably already read it but..yeah) I cried so many times ╥﹏╥