MTL - Man Huang Feng Bao - Chapter 531 Siren

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

In a shocking turn of fate, Jack Anderson's life is brutally cut short. But death isn't the end for Jack; instead, it marks the beginning of an extraordinary journey.Reincarnated in a mystical realm, Jack discovers he's been gifted with incredible powers and an enigmatic system that guides his every move. As he navigates this unfamiliar world, Jack must confront formidable enemies, unravel ancient mysteries, and unravel the secrets of his own destiny.With the undead system as his trusted ally, Jack embarks on a perilous quest to unravel the truth about his past, his newfound abilities, and the hidden forces manipulating this strange new world.Will Jack master the undead system and unlock its full potential, or will the shadows of his own mortality consume him? Dive into the world of 'The Undead System' to join Jack on his heart-pumping, action-packed adventure through the realms of the unknown.

The Emperor had issued an official decree to appoint a successor to the throne—one who would become the next ruler of the empire.But instead of a direct appointment, the successor would be determined through a formal battle among the princes and princesses.A battle that would drag in many factions, overflow with conspiracies, claim countless lives, and reshape the entire continent... was about to begin.But among the contenders, there was one prince who had no intention of fighting—Nolan.Handsome, lazy, and utterly annoying, Nolan was well-known for the many unflattering titles given to him by those around him.Nolan: “Fighting to become emperor? Please... I just want to relax and enjoy life.”Rather than compete, he convinced his twin sister to fight in his place while he supported her from behind the scenes.Nolan: “My dear sister, I leave my future in your capable hands!”And with that, the prince’s journey toward a life of leisure—relying entirely on his sister—officially began.

[No weak protagonist, No simp, Prodigies battle for supremacy, Explosively satisfying invincible (Overpowered) protagonist type]Jun Xiaoyao transmigrates to a Xuanhuan (mysterious fantasy) world, becoming the Divine Scion of an Ancient Aristocratic Family. He possesses an unbeatable background, world-shocking talent, and furthermore, obtains a sign-in system. At the very start, he signs in and receives a fully developed (Great Accomplishment) Ancient Sacred Body.Signing in at the Taiyue Ancient Stele, he obtains a six-star reward: the Divine Elephant's Prison-Suppressing Strength!Signing in at his ten-year-old banquet, he obtains a seven-star reward: the Supreme Bone!Signing in at the Bronze Immortal Palace, he obtains an eight-star reward: the Myriad Creatures Mother Qi Cauldron!Signing in at the Boundless Realm Sea, he obtains a ten-star reward: the Great Art of Transforming into Freedom!Countless years later, Jun Xiaoyao sits cross-legged in the Ninth Heaven, points his sword towards the Azure Sky and declares: “Across the Nine Heavens and Ten Earths, I control destiny! At the end of the Immortal Path, I am the Apex!”Novel Keywords: Opening with a Sign-in to an Ancient Sacred Body