To achieve immortality, I cultivate using Qi Luck - Chapter 322 - 186: Preparations for the Founding of the Country

A man who was once called the world’s strongest agent ended up becoming a teacher after his retirement, to train a new generation of agents. After many years of training his disciples, he was killed at the age of 60 by a secret organization’s ruse and was reincarnated in another world with his memories intact. Though he was surprised by the existence of magic and the strange species in that world, he quickly adapted to his condition as a newborn and took advantage of it. He acquired special magic and gained a massive amount of strength thanks to his rigorous discipline, in order to reach his goal: Resume his career as a teacher which he left halfway through in his previous life. This is the story of a man, who, based on the memories and the experiences of his previous life, became a teacher who travels through the world with his students.

Bai Aoxue, the best mercenary in the 21st century, is accidentally sent back to the Chengxi Dynasty in Great Continent due to an explosion in her mission, and trapped in the first daughter of Prime Minister. After her rebirth, she is set up by her father to marry the 5th prince Jun Yeyan who wears a mask all day long.
In the face of bloodthirsty enemies, discord between brothers, collusion among courtiers and invasion of enemy state, can Bai and Jun resolve the crises? What will happen to their political marriage? How will the fierce battle for the throne end?
With many twists and turns, the book brings you to experience palace revolution, love and hatred thousands of years ago.

- Description from Novelupdates

Losing his parent early on, he had to survive in a world he couldn´t even see… Blind and left alone, he was seen as a parasite by the social hierarchy of the new ages filled with martial arts and soulbonds

As the manager of the shopping street, it's Shuichi Chiba's job to provide excellent service to the tenants of the shopping street.“The water pipes in the shop are broken; can you come take a look?”“It's gym time; don't even think about slacking off.”“Are you coming to learn floral arrangement today too?”“Thanks for your hard work; why not relax with a spa treatment?”...Shuichi Chiba walked from one end of the street to the other, massaging his back and sighing deeply.Collecting rent was supposed to be a much less taxing job!Chiba's Diary: The beauty shop's water pipes are broken, and the gym has a yearly membership, so no slacking off.Smut - Milfs - Harem - Mature - Anal - BDSM - Threesome - No Yuri.Note:- It is a translation but i am adding my own stuff to make it a full R-18 novel.