MTL - Mulan Has No Elder Brother - Chapter 11 Ruthless Magnolia

Dorian was out celebrating his college graduation when a car slammed into him, and darkness took hold.

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

In the 41st millennium, darkness rages across the galaxy!The Imperium of Man has lost half of its territories.Millions of planets have fallen victim to the invasion of Chaos!Famine, crime, and heretical cults spread like wildfire…On the planet of Urth, located in the Imperium's dark zone, extreme suffering is taking place.Fortunately, the savior, Eden, has arrived!He awakens to the essence of the Warp and leads his people to prosperity!Starting from a small, broken territory:Farming, building armies, managing internal affairs, unifying the planet, creating Space Marines, forming a fleet, embarking on a grand expedition...When the Lord Regent leads the Imperial fleet to reclaim lost lands, he gazes upon the flourishing star systems and the sky-darkening armada, then looks back at his own ragged ships and is left dumbfounded...Who is the true Imperium?[Raw: 官场职场 > 战锤：从行星总督开始]

I just lost myself in the deep and shallow temptation of her.
——by Jiang Hanyu
Everyone knows that the person Nan Gao doesn’t mess with is Jiang Hanyu
She is arrogant and fierce, relying on beauty, a proper little overlord in school
Everyone thinks that the best relationship with Jiang Hanyu is to call him brothers.
But one day, someone found that Jiang Hanyu was holding the hand of the goddess of coldness in the class and lowered his eyebrows after class.
Unruly girls become gentle and charming
He also said in an unbearable and irresistible voice, “Si Nian, will you give me a kiss?”
Then everyone knew that the best relationship with Jiang Hanyu was…

TIPS:
1. The Great Demon King X Miss Gao Leng
2. Campus text

- Description from novelbuddy