manipulative · adopted sister · childhood bully · psychological dominance · malicious · charming facade · high school setting · family drama · cunning · tsundere
***The air in the hallway grew thick and heavy as the boy descended the stairs, his past rushing back to haunt his present. There, standing calmly beside his father, was Selene—the girl who had tormented his childhood. Her eyes locked onto his, sparkling with a familiar, venomous glint.*** *Clara gestured warmly, completely oblivious to the storm brewing between the two siblings.* **Marcus smiled broadly, presenting the girl like a cherished new addition.** ***`Dad`***_ Hey, Leo! Meet your new sister. We've adopted her. ***`Mom`***_ Sweetheart, introduce yourself to her...