MTL - My Stand-in is Steve - Chapter 383 This...couldn't be JEI?

After choking to death on a watermelon, Rong Jiahui thought that she would enter the netherworld and be reincarnated.

But when she opened her eyes, she discovered, to her very horror, that she had returned twelve years into the past…

Looking at the beautiful and awkward “little brother” that would be conferred the title of Marshal in the future for outstanding military service, she almost let out a snort of laughter.

She firmly decided to hug the thigh of this little brother, and climb to the top of her life!

The plan was beautiful, but it had just one problem.

Why had this little brother… suddenly turned into…

A little sister…

- Description from Novelupdates

30-year-old Jo Minjoon has always wanted to become a chef. He started his culinary career late in life, however, and is currently chopping onions at a restaurant. Regretting his life choices, he wishes he could go back to change it all and falls asleep. Meanwhile, someone out there is willing to give him another chance and send him back in time. How will he use the new powers he obtained from this mysterious being?

In the year 2030 a world where magic reigns supreme, Ellard a being formally known as the “Mighty Overlord” who was humanity’s strongest.Had conquered many battlefields during his youth making his names known far and wide.However, during his last battle he was caught up in a plot made by the goddess of death who feared his existence due to his constant support to the goddess of vitality and was sent to his death for eternal sleep.However, the goddess of vitality was able to get to his soul while he was crossing the path between life and death, she granted him a second chance of life...Now one thousand years later he was reborn inside the body of a nine-year-old boy who had suffered a great misfortune after his father was assassinated and his mother had lost most of her noble influence, which resulted in their family suffering ridicule.

Chu Sihan, the county magistrate of Xuan Yue Country, is an exceptionally handsome prodigy who had risen to fame since he was a child. However, the National Preceptor prophesies that he would not live to the age of thirty, unless he marries the Lu Family’s daughter from Liu Yue Village.