MTL - Stone Age Husband Raising Journal - ~ 115|doubt

Lanz Kuroda failed his Awakening Test in the most spectacular way possible, he didn’t just rank low, his ass got slapped with an FFF. He was locked out of the system entirely, and sent home like the rejected tutorial character that he is.But when a cracked relic crystal he bought from a sketchy street vendor activates, it boots up something the world shouldn’t even know exists, a hidden system that logs him into an old, forgotten alt account, one with no level cap, restrictions, and absolutely zero oversight.By day, Lanz is still the same guy that no one aspires to be.But at night? In the dungeons?He becomes Zero, an anonymous hunter operating outside the system, clearing high-tier raids solo, and slowly building a legend no one can trace.The world thinks he’s a joke.He’s about to become its biggest problem.

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates

The Night Killer was a notorious serial killer with an indestructible reputation transcending across all nations, targeting corrupted nobles and their subordinates. His resilient ambitions to exterminate the monarchy and destabilize the relations between the nobility and its monarch made him do unspeakable things, going as far as to bed the Queen with the aim of controlling the royal court.

Due to his 'carelessness', he was ultimately arrested and brought to kneel among the people, ending his bloody reign of terror.

Having foreseen his inevitable doom, he had made preparations in advance. He had ordered his closest companion to end his life on the day of his execution.

Having been reborn into the body of Ren Ye, he was met with the presence of an adorable little girl in his life, calling out Papa whenever she sees him and giving kisses on his cheeks.

Likewise, a system was awakened inside of him, and evil transmigrators ascended on Earth, threatening the safety of him and his beloved.

Follow along his journey from a callous and ruthless murderer to becoming a warm and loving father to his daughter, while fighting off evil forces and keeping Earth a peaceful place for his family to live.