Twilight Pact

Jenna Jacobs is saved from a zombie horde by the Zombie King, Cian Forrest, who has had a secret crush on her. His parents call her 'daughter-in-law.' Her counselor gives her a mission: 'To cure the Zombie Virus, we need the Zombie King's genes. You have to have his babies!' Seeing Cian, cute and clingy by day but a fierce protector by night, Jenna resolves to win over the Zombie King, then save the world.