After ONS: Trapped by the Cunning Professor - Chapter 397 - 398: The Grand Wedding Will Be Held Tomorrow

“I’ve been possessed into the controversial makjang drama ‘Gwangin’ (The Lunatic). Of all roles, I’m the omega secretary to an alpha with omega-phobia. It’s hard enough hiding my identity, but I’m also in charge of all sorts of annoying tasks: managing the protagonist’s diet, wardrobe, and house; coaxing and soothing the beta he loves. My goal is to survive until the ending where the protagonist meets the strange beta who thinks even his obsession is love, leading to a happy ending… I think I smell an omega somewhere.’ ‘That’s… impossible.’ If I speak carelessly, I die. If I mess up my work, I die. If I run away, I die. And if the fact that I’m an omega is revealed… I really die. ‘Right. It shouldn’t be possible, but that’s why I feel so f*cking awful, Secretary Kim.’ Will I be able to make it back alive…?”

He died and returned to the past, 5 years before the world experienced a major event—the launch of Apex Online.Nash decided to enter the game once more. This time, he will make things right.As if hearing his wish, Fate granted him one more gift.

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

Crossing into a fantasy world, Meng Changqing thought he would live an ordinary life, but he unexpectedly awakened a friend system!As long as the other party agrees to become his friend, even if it’s just verbally, he can obtain corresponding attributes from the other party, as well as additional rewards!“Adding the True Legend of the sect as a friend, obtaining attribute: First-class aptitude!”“Adding the Sect Leader as a friend, obtaining attribute: Perfect-level ‘Indestructible True King Art’!”“Adding the dragon girl of the demon race as a friend, obtaining attribute: True Dragon Bloodline!”“Adding the Sword Immortal as a friend, obtaining attribute: Chaotic Sword Body!”“…”So Meng Changqing began his journey of “relying on friends” for cultivation.As for those who are unwilling to be his friends, Meng Changqing can only draw his long sword from his waist and make friends with his noble character.