Reborn in the 80s, Get Rich by Eating Melons - Chapter 736 Proposal

The aliens came with hostility.
Facing the invasion of aliens, human beings are weak like ants.
So this is the end, the real end.
But there is resistance when there is an invasion.
For some, this is not the end, it is war.
So this is war.
Real war!

- Description from Qidian

Ahn Seung-hyun, a college student who lived hiding his identity as a gay man. While on his way to meet an acquaintance he met through a gay dating app, he discovers that the acquaintance is a college classmate trying to out him.He tries to run away but gets into a traffic accident. Just when he thought he had died, he finds himself possessing ‘Han Seung-hyun’, the villainous character from the novel he was reading, and continues living that life.However, there’s a problem: ‘Han Seung-hyun’ is someone who has been given a life sentence with a time limit.Feeling wronged for a moment, Seung-hyun thinks, ‘Since I’m dead anyway, can’t I fulfill my dream of being a rich unemployed person for a little while?’ and resolves to do everything he wanted to do with his remaining life.Can’t he have s*x at least once before he dies? With that thought, Seung-hyun boldly goes to a gay bar to find a one-night stand partner, but ends up getting involved with the one person he absolutely shouldn’t have.“Ju-, Ju-, Ju Jae-young-ssi.”“Yes. I am Ju Jae-young.”What will happen to Seung-hyun’s terminal life after spending a night with Ju Jae-young, the sub-male lead in the novel who dislikes Seung-hyun?

Moulded from rot and souls, Loimos is born as an undead, as a skeleton. An undead linked to the weakest category of its kind, yet, he has something no other of the dead have. He is pure. Follow the journey of Loimos as he fulfils his duty and hunts down the living with extreme prejudice and faces off with the hypocrisy of those who live in death. In a world thriving with life, magic and heroes, he stands as the solution and its end.

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