Her Trajecting

Exactly the same premise except now he's an idol, not the boss of her company. The way she dies is the exact same for both.

These two stories have the same male and female leads. They are the main couple.
But her trajecting was remade from Marry my husband (korean drama).

Female leads are wronged and killed but return to the past and then take revenge. Both short dramas.

Her Trajecting is the Chinese version of Marry My Husband and set in modern times. She is killed by her husband and best friend and upon her return to the past she determines to change her fate and make her traitorous best friend marry the husband that killed her.

Her Feast has a female lead that was tortured and upon returning does everything to take down the mafia like powers that harmed her.

Han I Ju, a painter adopted by Han Jin Ung and Lee Jeong Hye, has always been neglected by her family, including her younger sister, Han Yu Ra. Married to Yoo Se Hyeok, I Ju discovers he loves her sister instead. After a car accident, she wakes up in the past, before her engagement to Yoo Se Hyeok. Determined to change her fate, she breaks off the engagement and proposes a contract marriage to Seo Do Guk, the handsome grandson of the Taeja Group’s founder. He agrees, but hopes for it to become a real marriage.

Same story and plot, just in shorter length.
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Because "Her Trajecting" is the Chinese adaptation of the Korean series "Marry My Husband". It's literally the second adaptation of the Korean series, before the Japanese adaptation.