Naruto: Copy System - Chapter 328: [] : Ending it with One Slash

After 2000 years has passed, the ruthless demon lord has just been reincarnated! But his aptitude at an academy for nurturing candidates for demon lords is, “Inept”!?

As a promise, he went out into the world as an assassin. 3 years later, after becoming the Supreme Assassin, he gave up on everything he had and returned to the ranks of ordinary people. But one day, Kismet, a mystical game created by the National Research and Development had appeared.

Enigmatic hands, spectral frame, and one cunning strike just like the swing of the Grim Reaper. The Supreme Assassin takes on the mystical world, and how his legendary tales sets off, progressively ascending the altar to becoming the best.

- Description from Novelupdates

Nan Gong Xi was a top national secret agent who found herself transmigrated as a female prison guard who inherited her mother’s business.

Her father was the warden, her younger brother was a junior officer, and her mother was a retired housewife. Her family had served as minor officials in the capital city for generations.

She had no special abilities, only memories from her past life. But exceptional people will shine through effort, no matter their background.

Watch as Nan Gong Xi, now called Gong Xiao Hua, grows from a junior guard into a female general of the kingdom.

Qin Chu Yuan came from a prestigious family line, blessed with talent and looks. Outwardly gentle, he was scheming on the inside.

The one correct calculation he made in life was marrying his one and only wife, Gong Xiao Hua. She fell right into his trap.

From then on, the married Qin Chu Yuan became a devoted, doting husband catering to his wife’s every need – to the point that onlookers grew tired of their affection.