Swear Fealty To Me, My Subjects! - Chapter 11: Weakness of Order

Zhou Yanci, who was blessed by the heavenly official, in this life, only wants to let himself go.

Whoever blocks it, whoever it is!

  Delicate daughters want to counterattack, and smart girls are much happier.

Xianggong: The lady has turned black, the husband is so scared!

  Your town house expert has brought the aura of Hongfu Qitian to the hot line.

- Description from novelbuddy

…but it seems pretty doable.

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.

There is a very strange restaurant in the City of Sin.