In My Favorite Novel As The Final Villain - Chapter 17: Jealous fiancée and my angry sister?

This book is about baby-making.

In the year 1368, at the end of July, deep crimson shall descend from the heavens.

- Description from Novelupdates

Jung Sunwoo was an average man. He had just taken his first job at W&U, a celebrity management company, as a manager. He could finally achieve his dream of being the manager of a world-famous actor or actress. On his way to work, he fell into what appeared to be a lucid dream about his future. As he went on with his day, he realized it may not have simply been a lucid dream.

Within the Immortal Realm, there were nine thousand major realms, with three thousand at the top, three thousand in the middle, and three thousand at the bottom, along with countless minor realms.