DxD: I Steal Luck - Chapter 161: The Sword That Doesn’t Look Like a Sword!

Born of a great family, world shaking genius.

Reincarnated into a land of cultivation, Yuan Zhou uses his Earth knowledge and assumptions to become a genius under the heavens for both business and cultivation. However, he walks the path of defiance, exceeding all rational cultivation bounds. His business ideas struggle against the stagnant culture that pervades the land, but the things he doesn't lack are his drive for immortality and power.

Youth, is meant to be used to shed sweat under the sun!

Youth, is to continuously engage in battles, and secure the win! The endless journey on Heaven’s Road, an endless expedition, a testimony of a hot-blooded youth’s legend!

A dream every man harbors, with the ignition of the blood! Forever young, Undefeated God of War!

- Description from Novelupdates

The elder master in Shen’s refused female secretary to maintain his image，thus the girl, who was beautiful and tough, lost her job. Later, she became the secretary of the young master, a playboy.

As a secretary, she not only had to help the playboy deal with the enemy but also help him deal with women. At the same time, she also had to face suspicion and attacks.

She fought her way to gain his trust and became his best assistant. However, things changed quietly.

She noticed that he was getting closer and closer and wanted to remind him not to cross the line, but he said, “If we don’t cross the line, how can we fall in love?”

- Description from Novelupdates