Reincarnated as her wicked older sister who has been cleansed up she attracts a swarm of beastly husbands vying to pamper her

Wen Li, a modern woman who died from overwork, transmigrates into the body of an equally named female in a primitive beast-world continent characterized by a severe gender imbalance. She awakens in a precarious situation, straddling Zhu Yan, one of her five beast-husbands, who has been drugged with Charm Fruit juice by the original owner. The original host, the daughter of a tribal chief, was notoriously ugly and had used underhanded tactics to bind powerful S-class talented males to her. Upon Wen Li's arrival, Zhu Yan, driven mad by the drug, attempts to force himself on her. She is rescued by Bai Yanci, another beast-husband who despises her, but he immediately accuses her of plotting against Zhu Yan, exposing the original host's past crimes of drugging and poisoning the males. Bound by a marriage contract that kills both parties if one is murdered, Zhu Yan is forced to release Wen Li, but the hostility is palpable. Realizing her dire position, Wen Li flees to a stream to cool the lingering effects of the drug left by the original host.

Wen Li discovers she is bound to a system that requires her to increase the favorability of target characters to one hundred percent to earn points and potentially return to her original world. Her starting favorability with her five beast-husbands is overwhelmingly negative, ranging from zero to minus ninety-nine. The only exception is Xin Yuan, who holds a slight positive favorability of two. Xin Yuan is the youngest of the husbands and is known for his culinary interests, having previously failed to cook well despite owning various utensils. Wen Li decides to focus her efforts on him, recognizing that his interest in food offers the most viable path to survival. She encounters Xin Yuan at the stream, where she helps him process a wild boar he has hunted. Unlike the other males, Xin Yuan is polite and offers her shelter after she reveals she had a fight with Zhu Yan.

At Xin Yuan's cave, Wen Li demonstrates her cooking skills by roasting meat, a method unfamiliar to the beastmen who typically eat raw. Xin Yuan is captivated by the aroma and taste, leading to a significant increase in his favorability. Wen Li secures her position by staying the night and teaching him the techniques for roasting and stewing. The next morning, she uses points to lose weight, improving her physical appearance slightly. They go hunting together, where Wen Li identifies edible plants like tomatoes and potatoes that the locals ignore. During the trip, a stray beast attacks Wen Li. Xin Yuan arrives in time to save her, displaying immense strength by defeating the transformed male beastman. The dying stray beast suggests a dark ritual to break the marriage contract by eating Wen Li's heart, but Xin Yuan kills him instead, proving his loyalty to the contract despite his initial desire to leave.

The incident solidifies a bond between Wen Li and Xin Yuan. He provides her with a tracking bead for safety and retrieves wild eggs for her to cook. Wen Li prepares a meal of tomato and egg stir-fry and meat soup, further delighting Xin Yuan. Their relationship shifts from distant cohabitants to active partners in survival and culinary exploration. Wen Li realizes that while her ultimate goal is to return home, her immediate priority is to survive the three months remaining on her contract and improve her standing within the tribe. She navigates the complex social dynamics of the beast world, where females are protected but dependent on their husbands, and where her ugliness has historically made her a target for ridicule and abuse. By leveraging her modern knowledge and the system's rewards, Wen Li begins to transform her circumstances, starting with Xin Yuan and aiming to eventually win over the others or find a way to dissolve the contracts safely.