The Author is an Extra, The MC is a Reincarnator - Chapter 38 Party Bracelet

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

[Warning: MATURE/R-18 Content]Noah Ashford, the son of the village chief.And also, he was a reincarnator, who accidentally died by an unexpected event.Since childhood, he was always considered smart by his friends.Unfortunately, his talent was too low, leaving him far behind.Due to his low talent, he was always the object of ridicule, always talked about by the villagers.Luckily, one day when he was almost killed by a monster, something strange happened to him.He got a system, called talent increased.***Others tags:Adventure, Weak to Strong, Strong to Stronger, Killed, Level Up, Revenge, Hated Protagonist, Academy, Netori, No incest, Princess, Priest, Hero, Knight, Dragons, Demons, Magic Mana, Divinity, Skills, Rewards, Potions, Training, Hard Training, Body Enchament, Spirits, Elves, Dwarfs, Necromancer, Beast Taiming, Beats, Dryads, World Tree, Contract Spirits, Divinity, Holy Magic, Saints, Commander, Milf, Kings, Continent, Imperials, Nobles, Kingdoms, Tournament, Rivals, Emperors, Prince, Princess, Resistance, Conflict, War, Power Level System, Longevity, Cold ProtagonistSlice of Life: WPC JUNE 2024

“I'm going out to do something, so I can't take care of you any more. You can go down the mountain and have fun. But if you can't find someone who matches your Innate Pure Yang Body in three years, you're finished!”These were the last words the old man, who was Lionel Yeager's teacher, threw to him before he vanished. Meanwhile, having mastered most of his master's skills, Lionel Yeager went down the mountain and took his first step into civilization for the first time in years.With his unparalleled medical and martial arts, he sets forth on a journey, befriending new allies and crushing all the enemies that stand in his way, as he attempts to resolve his Pure Innate Yang Body constitution, and cultivate to the top of the world!

Zhou Heng drank too much wine, and woke up to find that he had time-traveled, and there was a beautiful woman lying beside him. Just when Zhou Heng, a bachelor of ten thousand years, wanted to take charge, he suddenly discovered that this woman who had a relationship with him was called Sadako, and she was the Sadako in Midnight Ring.

Sadako is just Sadako, pretty and human, but the memories that come out one after another make Zhou Heng discover that his name is Takeo Saeki, and he is the husband of Kayako in the Grudge of the Great Evil Spirit.

Later, at work, Zhou Heng discovered that his female colleague had a strange identity. The daughter of his client, Mimiko Mizunuma, had always been very interested in him when she came into contact with him.

- Description from novelbuddy