Tensei Shite Inaka de Slowlife wo Okuritai - Chapter 10 I turned four years old

A surgeon accidentally got the blessings of a system, shocked the medical industry, and rejuvenated countless people.

- Description from Novelupdates

Jung Sunwoo was an average man. He had just taken his first job at W&U, a celebrity management company, as a manager. He could finally achieve his dream of being the manager of a world-famous actor or actress. On his way to work, he fell into what appeared to be a lucid dream about his future. As he went on with his day, he realized it may not have simply been a lucid dream.

A dancer who was killed by a serial murderer found himself occupying the body and taking on the life of Brian Morse, a patient with anti-social personality disorder. As Brian, he has the look, he has the brain, he has the charisma, but he also has something that somehow always attracts psychopaths…[The story mentions 3 reality shows and crossovers with the American drama series Dexter. SLASH]

- Description from Novelupdates

When a Medical student awakens in an infant's body in the deadly Hidden Mist Village, he knows surviving will require more than just his memories of a past life. In a world where children are forced to kill each other and bloodline abilities mark their wielders for death, Ren must carefully balance hiding his true potential while gathering enough strength to change the village's dark future. As Kirigakure descends into an era of unprecedented brutality, this reincarnated soul will discover that the deadliest technique isn't found in forbidden scrolls - it's knowing exactly when to reveal your true power.Fair Warning:This is a slow-burn story - no overpowered MC from the startPower progression is realistic and earned through years of dedicated trainingContains graphic violence and deathStory builds gradually with careful character and plot developmentWhat to Expect:Detailed training arcs and power progressionClever manipulation of future events using foreknowledgeOriginal story arcs and character development[This novel is for readers who enjoy:Smart protagonists who rely on wit over raw powerRealistic skill progression and strategic combatDeep world-building and political intrigueA fresh perspective on the Naruto universe]