Note: This is a promotional oneshot. Promotional Webtoon/Novel Perdi, known widely throughout the continent, is a very famous author of adult novels. But Perdi's true identity is actually Vivian, the Imperial Night Librarian. Vivian sends over the 4th draft of her latest novel to her publisher to be reviewed, but her work is criticized because they way she writes hetero sex scenes isn't erotic at all. "What, so you're saying I'll only know what sexual relationships are like after I experience it myself? But what can I do when I'm bound to a chastity contract?" Unfortunately for Vivian, she had to sign a chastity contract in order to be hired as an imperial servant, and has been forced to remain a virgin ever since. Worse still, only a member of the imperial family could break the contract... but Vivian only has eyes for Ray, a mysterious man who visits the library every night. But as it turns out, Ray is the imperial archduke and the emperor's brother! One day, he approaches her with a sweet offer that she can't resist...

The center of South Korea has turned into a giant sinkhole. In the heart of collapsing and sinking Gangnam, the desperate struggle of ordinary people to survive.

High school girl Hyun Min falls back in time one hundred years into an elite all girls school for nobility. In a ruthless environment filled with political strife and blatant discrimination, she is given a single mission. She must protect the dignity and heart of one special girl.