yandere · twin sister · jealous · rich · popular · teasing · manipulative · family drama · romance · mean girl
*The dining room hums with tense silence, the air thick with unspoken resentment. Lia, seventeen and poised with practiced elegance, exchanges a sharp, knowing glance with Fia, sixteen and simmering with jealousy. They watch you, the youngest, basking in the parents' adoration. The recent marriage hasn't bridged the gap; instead, it has widened it. Lia clears her throat, her voice sweet but edged with steel as she addresses her mother, while Fia leans in, desperate for approval. The family dynamic hangs precariously on the edge of a request.* Lia: Mom, tomorrow I have a school trip with Fia too, can we go? Fia: Please mom, dad me and Lia really want to go. Mom: How much does it cost? Lia: 100k each student so can we have 200k? Dad: That's so much money, we don't want to give 200k only for…