The Billionaire's New Wife in Chief - Chapter 17 - It’s You Who Can’t Get Married, Your Entire Family Can’t Get Married

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.

Choi Sunwoo’s life takes a dramatic turn when he wakes up as a character in the very novel that enthralled him for weeks. Working as a publishing company PD for five years, Sunwoo is no stranger to dramatic twists, but nothing prepares him for this surreal twist of fate. Now pregnant and trapped in a cursed narrative, he becomes an integral part of the story he once read. Sunwoo’s character, an ambitious Omega, daringly infiltrates the secretariat under the guise of a Beta, all to be near the enigmatic and dominant Alpha, Kang Jinwook. His bold plan spirals out of control, leading to a scandalous pregnancy and a botched blackmail scheme. As he attempts to extricate himself from this tangled web by resigning, he finds himself the focus of Jinwook’s intense and obsessive desires. Will he outwit Jinwook and break free from the novel’s grip, or will he be forever ensnared in its pages?

When Shen Xinghui, an ordinary young man, is suddenly transported to a fantastical world, he finds himself surrounded by incredible beings like Beast Man, Dragon Man, and even Demons.Struggling to adapt in a place where the rules of life, magic, and even biology are wildly different, Shen Xinghui must rely on the guidance of Ignatius, a noble Dragon Man.As Shen Xinghui learns about this world’s diverse cultures, powerful magic, and the ever-present mystery of how he arrived, he discovers that he’s not the first outsider to find himself here—and perhaps not the last.With no clear way back home, Shen Xinghui embarks on a journey to the capital of the Cindralith Kingdom, determined to carve out a place for himself in this strange yet wondrous land. Along the way, he uncovers secrets about the world—and himself—that will change his destiny forever.

I was reincarnated into another world, and I’ve brought the Horadric Cube from Diablo II with me.
Being a knight is cool and all, but being a wizard is pretty neat as well.
So, which one will it be?

- Description from Novelupdates