My Half-Demon Husband

Celeste Shaw transmigrates into her novel as a villain. She breaks the Blood Sandalwood Lotus Cup, a relic suppressing her half-demon husband Kaelen Vaughn's demonic energy. To save her life, she promises repair. Ruby Shaw, the original female lead, conspires with Julian Vaughn to eliminate Kaelen. To repair it, Celeste gives up her family position and uses her heart's blood, purifying Kaelen's demonic energy. They join forces to expose the conspiracy, then stay together.