Seirei Tsukai no Blade Dance - Volume 4, Chapter 2 - Sky Voyage

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

Kerrigan’s life was never his own. Raised as a pawn in a twisted game, his mind was shattered in a cruel simulation. Now, in the real world, he’s left with only one thing: Veilbreaker—a power to tear through lies, illusions, and hidden truths. But the more he uses it, the more it eats away at his sanity.Haunted by his past, betrayed by those he should trust, Kerrigan must fight not only the monsters that hunt him but the darkness inside himself. Every ally could be an enemy, and every truth could cost him everything. As a deadly war brews on the horizon, Kerrigan is the only one who can stop it—but the price for victory might just be his mind.Can Kerrigan control his power, or will the truth break him first?

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