MTL - Harry Potter: Hello the Dark Lord - v3 Chapter 171 nightmare

Lady Mi Qing ran away from home to escape an arranged marriage. She is then confronted with the following wretched situation:

Card stopped. Money stolen. All she had left was ￥308.50.

In this strange city, her sole hopeful light was a small advertisement on a lamppost——

Elaborately Decorated, 100 Square Meters, 2 Room Apartment, Monthly Rent Only ￥299! If interested, quickly contact Mr. Xiao at 138XXXXXXXX!

Mi Qing immediately rushed over to the address listed.

Xiao Gu looked at the woman standing in front of him, brows slightly furrowed. When did he post an apartment rental advertisement?

- Description from Novelupdates

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.

Only I know the end of this world.

One day our MC finds himself stuck in the world of his favorite webnovel. What does he do to survive? It is a world struck by catastrophe and danger all around.

His edge? He knows the plot of the story to end. Because he was the sole reader that stuck with it. Read his story to see how he survives!

After being betrayed by her fiancé and her cousin sister, she accidentally rescued an elegant but indifferent young master. Never did she expect to marry him and surprised many!