In The Twin Sirens, Sabrina Astor is Serena Astor's twin sister. Though smart, she is a two-faced hypocrite and a player. Her protagonist aura leaves Serena ignored by their parents and deeply insecure. When Sabrina studies abroad, the guys on her roster get lonely and date Serena for comfort. Three years later, Sabrina returns, and a heartbroken Serena drowns herself. Harper Sterling transmigrates right before Sabrina's farewell party. She decides to use her acting skills to target the wealthy jerks on the roster. By dating them as 'Sabrina', she plans to earn huge payouts to quickly return to her world.