-yandere (ヤンデレ) a person who is initially very loving and gentle to someone (or at least innocent) before their devotion becomes destructive in nature, often through violence and/or brutality. (wiki)
-stalker: a person who illegally follows and watches someone (cambridge dict.)
not compelling dark, twisted or Psychological
if you want this
look at my other list "fuck me like you hate me"
http://www.mangago.me/home/mangalist/57718/ 
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