MTL - Mai Kitsune Waifu - Chapter 1068 Trial dragon

A mecha otaku is reincarnated into another world as Ernesti Echevalier (Eru). In this world there exist huge humanoid weapons known as Silhouette Knight. Dreaming of piloting those robots, Eru, with childhood friends, Archid Walter and Adeltrud Walter: together they will aim to become a Knight Runner, pilot of Silhoutte Knight.

[Farming]+[Space]+[Heartwarming]+[Prosperity]+[Defeating Scum]Mo Yan, reduced to ashes by an explosion, was reborn in ancient times,becoming a little farm girl on the run from famine!Above her, a kind and handsome Scholar father - not bad!Below her, a lively and adorable pair of younger siblings - very good!But really, she felt like dying all over again, you know?On the run, going without food, drink, or shelter was one thing,but to always guard against bad guys who might capture her to fill their bellies was another!Luckily, her upgradable Space from the previous life followed her,but what the heck -that amazing Space with mountains, water, and meat to eat had been formatted!Faced with a desperate situation, Mo Yan reignited her fighting spirit:So what if it's formatted, I'll still make a fortune and build my wealth right at the foot of the Imperial City!Carving out mountains, planting orchards, buying shops, building houses... not one less!But... there are so many green-eyed troublemakers!Your farm is yours? Here, I'll trap you to death without discussion!Want to be my stepmom? Fine, I'll send you a bunch of widowers!Mother looking for you? Here, take the divorce papers, keep them, don't thank me!...What? A handsome man is proposing? Uh, this... should I throw myself at him?

In the tenth year after the new era, the world finally came to an end. Zhang Mu truefully waited for his death, but unexpectedly found that he had returned to ten years ago. With his memory about the future, he swore that he would change the calamitous history, saving the earth from being destroyed! Walking dead, zergs, evolvers, and various mutated animals… nothing can stop him! The first step is to retrieve his identity as an era merchant , then find all the treasures he can remember to enhance himself!

- Description from Novelupdates

In the 21st century, she was the talented leader of the hidden family clan, once she crossed over, she became the number one waste?