In the Second Generation of the Trench, He Changed To the Ruanfan Script - Chapter 60:

A Deadly Secret, also translated as Requiem of Ling Sing and Secret of the Linked Cities, is a wuxia novel by Jin Yong (Louis Cha). It was first published in the magazine Southeast Asia Weekly (東南亞周刊) and the Hong Kong newspaper Ming Pao in 1963. Its original Chinese title was Su Xin Jian before Jin Yong changed it to Lian Cheng Jue. The story revolves around the adventures of the protagonist Di Yun, an ordinary young peasant, who is imprisoned after being framed. In his quest for vengeance, he accidentally acquires the Liancheng Swordplay manual (連城劍谱), an ancient artifact not only prized for the skills detailed inside, but also for containing a secret leading to a treasure.

Hao Yan Che is an immortal and Yuan Gun Gun is a mortal.

There was a prominent old martial arts family which in the hundred years would give birth only to males, never a girl. Finally, one day, a girl was born. She was a tassel blower among ten thousand green groves. Ultimately, she turned into an agile and brave tomboy!

There was also an imperial descendant who his old father had six princesses. His father was just short of a son to inherit the throne. Finally, one day, he got a bastard son who was his youngest child. With countless spoiling, in the end that son was brought up into a universally unmatched egomania!

“Zhen as the nation’s number one beauty, as the nation only first class figure, obviously needs to have a professional bodyguard constantly at our side for protection. That will be you, the iron-willed female King Kong pretending to be a little eunuch.”

- Description from Novelupdates

After being transported to this world, Nara Kazuki discovered that as long as he grinded enough proficiency, his jutsu could level up.And so, he began walking a very... peculiar ninja path.