MTL - Lord, I’m A Lizardman - Chapter 5 , to eliminate hidden dangers

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

Waking up from a hangover, Wang Hao finds himself reborn in an alternate world. To his delight, he realizes that he has a system to help him in this new world. However, his system turns out to be a highly unconventional one. Instead of serving justice and winning the respect of other people, Wang Hao has to do all kinds of bad things in order to make use of the system. So, Wang Hao embarks on the journey to being cursed for good…

Ever since He Mulan, a 28 year old forensic investigator, transmigrated into the post-army civilian Hua Mulan’s body, she’s been under a lot of pressure. Unlike the folktale ending, there are no flowers or applause to be found here. After leaving the army and returning to her hometown, word by the countryside has painted the now 32 year old Hua Mulan as a homicidal maniac, an old hag, and a freak of nature, among other nasty things. Between piecing together Hua Mulan’s scattered memories, grappling with her fellow villagers’ prejudice against her, and fending off Mrs Hua’s attempts to match make her, He Mulan has her hands full. All He Mulan wants to do is protect Hua Mulan’s body till her soul comes back, but fate has other plans…

- Description from Novelupdates

Ling Yihan arrived in the Wuxia world of “Heavenly Sword,” where he mastered the Nine Suns Divine Art, seized six Holy Fire Orders, and obtained the Imperial Jade Seal.Through system tasks, he acquired the Bridal Garment Divine Skill, Bright Jade Skill, Spirit Link Finger, and many other extraordinary techniques…Ji Xiaofu: “Your fingers… they can actually hold my sword…”Dai Qisi: “How is it that his martial arts are so similar to our Persian techniques…”Yin Susu: “My mosquito whiskers are useless against him…”Fan Yao: “His moves are even more bizarre than mine…”Qingyi Bat King: “My speed can’t match his…”Xuanming Elders: “Even the combined power of our Xuanming Divine Palm can’t withstand his Nine Suns Divine Art…”Zhang Sanfeng: “Ling, my friend, your Move the Flower and Connect the Jade technique is just as powerful as my Tai Chi fist…”Feilu.com reminds you: This novel and its characters are purely fictional. Any resemblance to actual events or persons is purely coincidental. Please do not imitate.