I Signed the Blood Pact, You Banished Me

Adopted daughter Sylvia secretly signs a blood pact and endures a painful curse to save her brothers. However, when the true daughter Stella returns, she maliciously frames Sylvia, turning the family against her. Enduring abuse and banishment, Sylvia finally breaks ties with her family. As the brothers slowly uncover the truth of her sacrifice, they are filled with regret, but Stella's dark schemes continue to tear them apart.