MTL - In the Second Generation of the Trench, He Changed To the Ruanfan Script - Chapter 52

An alien race invaded the Earth on June 6, 2128. At the midst of this war, many nations allied with the alien threat and the war nearly wiped out the rebelling humans of the planet. At the edge of mankind's survival, the United Nations Army launched its forces to eliminate the immediate stellar threats that loomed over Earth.

General Seeker Carlean, commander and leader of the mission, risked and gave his life to destroy the immediate stellar threat. The battle was won though Earth lay in ruins. Perhaps mankind will live to see a few years of peace before the alien threat returns to wipe out their existence.

At the immediate aftermath of the stellar battle, the fallen Seeker Carlean awakens and finds himself at aged 17, living the peaceful life he lived 16 years before he died.

So begins a new game in the battle for humanity's survival.

Wandering for fifteen years, Jiang Sheng picked up five elder brothers for herself.

For their sake, little Jiang Sheng went through fire and water, desperately making money.

The elder brothers didn’t disappoint her, giving everything for their little sister.

Until the General’s mansion discovered the switch of the legitimate daughter, and hastily brought her back.

But they didn’t treat her well either.

Some ridiculed her vulgarity, some laughed at her ignorance, some scorned her coarseness.

Yet no one knew, the new top scholar was her brother, the newly rich royal merchant was her brother, the returning victorious little general was her brother, the saintly healer was her brother, and that one… was also her brother.

However capable the fake young miss is, does she have five elder brothers to support her?

Note: The main characters have no romantic relationships, the female lead has a childish personality and focuses on familial love!!!

A good-for-nothing man married a beautiful girl but was kicked off the bed on the wedding night. Furiously, he wrote a bill of divorce and ran away.
He was schemed a car accident in which he nearly lost his life. However, it turned out to be a blessing. He swallowed the soul that passed through the outer world, thus obtained superb medical skills and martial arts.
Later on, with the silver needles and invincible martial arts, he embarked on the road of counterattacks and was committed to his great dreams.

- Description from Novelupdates

For unknown reasons, he finds himself transported to a parallel world's Japan, unexpectedly taking over the body of a soon-to-be high school student who had died accidentally. Surprisingly, he did not inherit any memories. However, the first challenge he faces upon arriving here is a language barrier...Just as he struggles to communicate with his new family, a heavenly voice arrives: the black technology system has been activated, and the initial item—translation konjac—has been distributed.This is the story of someone with above-average intelligence but almost no physical strength in the Classroom of the Supreme Power.