My Fiancé Is the Greek God of War— Episode 55

Olympian priestess Selena bears war god Ares’ child after saving his poisoned self. She trades her memory and lifespan to the Fates to shield the baby. Hera steals her identity, yet Ares grows fond of her and fakes an engagement. When Selena regains her memory and learns she has six months to live, she pushes him away. Amid the fallen gods’ invasion, Ares abandons his throne to save her.