MTL - For My Sister, I Became the World Boss - Chapter 392

A former police officer dies and is longing for a quiet and peaceful life away from the chaos. Reborn in a new world, he must navigate strange lands, unexpected challenges, and a chance at the slow life he always dreamed of, if he can survive long enough to enjoy it.

It is the 49th year of Konoha, and the Uchiha clan massacre is only seven years away.A set of women's clothing that accelerates training when worn.A Zanpakutō that grants invincibility upon releasing its Bankai.In this urgent and chaotic time, Qing Chuan has been transported to this world.To survive, he has no choice but to don women's clothes and speed up his training.While training, he meets Itachi Uchiha. To hide his identity and avoid suspicion, he takes on the alias Haruko.In the blink of an eye, seven years have passed...

In the foreign world, the martial artists dominate the world and the sword of the emperor controls the fate of hundreds of millions of lives! Long Yu, the number one killer on Earth, after dying, takes rebirth in this new world in an aristocratic family of martial artists but faces rejection because he is unable to practice martial arts.

- Description from Novelupdates

When traveling back to Japan's late Muromachi Era, how to survive becomes a significant challenge!Now, Harano must live well under this high-difficulty challenge!