I'm a High School Boy and a Bestselling Light Novel Author, Strangled by My Female Junior and a Voice Actress - Volume 1, ‎Prologue - Memories

I exist in the darkness, disappear under the bright light, and will eventually devour the sun and turn into the shadow of all things… Known by people as the indescribable terror of darkness; the king of shadows; the dark day; the existence of the shadow of the world , is still just a somewhat special high school student, facing a weird death game…

- Description from novelbuddy

Xiao Ran transmigrated to a fantasy world. As a dungeon guard in the Celestial Dungeon, with a special floor called the Purgatory meant for powerful demons and martial arts experts, he faced a huge challenge from the start. The Eldest Princess acquired a forbidden martial arts technique and was banished to the Purgatory. However, no one was powerful enough to restrain her. All the dungeon guards were defeated. Xiao Ran stepped up and declared, “Your Highness, it’s better for you to behave yourself on my territory” and effortlessly subdued the Eldest Princess.

He progressed from imprisoning the Eldest Princess to delivering the Great Xia Kingdom from the evil clutches of various demons and evil martial arts experts.

…

Xiao Ran was the mastermind behind the scenes.

Seven years ago, after their breakup, he disappeared without a trace.Now, he reappeared on the eve of her wedding, sparing no means in forcing her to marry him…With a certificate of marriage, he bound her mercilessly to his side.From there, this “Cinderella” began her journey as a wife of the business empire’s heir...Mrs Huo - composed, sharp-tongued, and freakishly smart.Mr Qin - wife-spoiler to no end and a complete “slave” to their daughter.Quality love story, one on one. You are welcome to get hooked on this story with us.

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