In this type of fanfiction, the plot could revolve around Sasuke's vampire nature making him possessive. Sasuke could be part of a vampire clan that has certain rules about relationships. When he falls for Sakura, a human, he defies those rules. His possessiveness could stem from his fear of losing her to either other vampires or the human world. Sakura, on the other hand, might be initially scared but gradually come to love Sasuke despite his overbearing possessiveness. There could be a lot of internal and external conflicts, like battles with other vampires who oppose their relationship and Sakura's struggle to maintain her own identity while being with Sasuke.
One possible plot could be that Sasuke is a vampire who becomes possessive over Sakura. Maybe he initially tries to resist his feelings for her because he's a vampire and he thinks it's dangerous. But as time goes on, he can't help but be drawn to her and becomes extremely possessive, scaring away any potential rivals.
Well, in a possessive vampire Sasusaku fanfiction, it could start with Sakura being a human who is somehow aware of the vampire world. Sasuke, a powerful vampire, saves her from some danger. From that moment on, he feels a strong connection and possessiveness towards her. He might even go as far as marking her in some vampire - way to show that she belongs to him, and this could lead to a lot of drama as Sakura tries to come to terms with this new situation.
Chapter 631, "It's Him Who Got Hurt, Then It's Fine", is the clearest early answer because it turns Bai Lu's situation into a concrete plot event. Early on, To avoid making a disturbance, the next second, Zhao Lang directly....
Chapter 906, "Big Brother, are you jealous?", is the clearest early answer because it turns Jiang Buchen's situation into a concrete plot event. It opens with A few people were somewhat surprised. and closes on After a moment of recognition, he saw it was the youngest, Jiang....
Chapter 710, "Handsome, Who Are You?", is the clearest early answer because it turns Seeing Wen Jiaojiao's situation into a concrete plot event. A useful checkpoint is the way the scene starts with The man was wearing the white cotton attire of a beauty salon, the...
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Chapter 687, "How Did She Die Again?", is the clearest early answer because it turns Bai Lu's situation into a concrete plot event. The chapter gives readers a real answer by opening on In the process of pursuing the Protagonist Group, she gradually came... and ending on I'm busy here;