Walker Of The Worlds - Chapter 1353: The Saintess' Duty

After 20 years of dedicating his life to opera ever since he had quit the performing arts high school, he had failed at an interview. Losing his motivations, Jo Yunjae depended on alcohol to live out his days until one day, he had been sent back 20 years in time, to the day before his high school admission.

In the night, cook wine with the master and discuss the way of heaven and earth!

In the snow, Yu Jian chased the tide of Guangling River!

- Description from novelbuddy

[WARNING: MATURE CONTENT]

“You don't know what love is? I will teach you.” his deep, husky voice made her shiver. His hot hands were roaming freely around her body, making her jolt in a unique sensation she never felt before.

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She is a curious student who wants to know about pleasure and he is a patient teacher who knows everything she wants to learn.

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Growing up in the temple, the troublemaker and yet pure-hearten and innocent Veronica decided to go outside the walls. Her first time experience ended with something disastrous. She learned about a unique part of male body she never heard of its existence. He found out about her deepest secret that no one should have known,

That's how their fates tangled. She soon realized, her heart pounded whenever he touched her. His hot gaze would give her goosebumps.

A scientific genius named Thomas Harrier was transmigrated to an imperial prince body after a car accident that took his life. He found out that he is in a world similar to our own with a timeline akin to early twentieth century. The body that he is occupying was the imperial prince of a failing empire who suddenly rose to power after a successful assassination attempt of his father. Unaware that the attack is just the beginning of what is to come. He faces many challenges throughout. Will Thomas Harrier be able to live his second life in peace while running an empire and getting it back to its former glory? Or will he succumb into a conspiracy lurking within the country's borders?

Expect some:

Cold war era techs.

Super battleship with advanced electronics, propulsion, and fire control systems?
Helicopters?
Missiles?
Modern medicines and equipment?
AC-130?
A nuke?
Challenger or Abrams or Leopard?
F-4 Phantom or MIG-21?
Colored TV's.

Everything!!!

PS. Cover not mine, I just found it on google.