Apocalypse: Zombie King is the Female Lead's Younger Sister

Zerra Sylvaris, a celestial nine tailed fox and disciple of a famous celestial ancient beast, was transmigrated as a zombie in an apocalyptic world. She became a mindless creature with rotting flesh and an unpleasant smell. After spending most of her life solely based on zombie instinct, she emerged as the zombie king. Thus, she gradually remembered who she was. She fought to survive, fighting against superpower humans who were trying to get rid of her. She wanted to go back to her celestial world. Until she found out that the world was actually just a novel. She was a cannon fodder, the temporary zombie king before another one replaced her. The female lead was her sister, and the scumbag male lead was her fiance! And she, the annoying younger sister, was merely a stepping stone to bring their relationship closer. After countless reincarnations, she found it hopeless to go against them. Her ending was always the same, definite death.  However… she looked at the male lead in confusion. This time around, everything was weird. To quickly end this round of reincarnation, she intended to go directly jumping to the densely packed zombies, but he stopped her. Instead, his increasingly intense gaze frightened her! In her process to become a zombie king, she thought that her flesh would turn like those rotten zombies, but this time, she awakened special powers instead. Not only she kept her original fair skin, she also could control zombies. The best thing? Her supplies for several reincarnations magically remained intact on this life! It was just that, she sometimes turned into a fox. And the male lead, coveting her soft fur and cuteness... always kidnapped her. (Content warning: gore and violence) P.S. The male lead might not be who you think he is. The author loves doting and devoted male leads ~