MTL - HacKer - ~ 【OVA-EVA】Section 18 Conspiracy

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

°•°•°•°•°•°•°Adult Novel•°•°•°•°•°•°•°•⚠️Read at least five chapters before dropping. I believe you will love this story⚠️Liu Xinyu wakes up to find himself back in his younger body, but this time, he has something special a system!“The Goddess Reversal System has been bound…”This system is different from others. It has two parts: the main system, which is connected to Liu Xinyu, and a subsystem that must be given to someone else. When the subsystem user completes tasks, Liu Xinyu receives random rewards, which could be anything! But there's a catch if the subsystem user refuses tasks three times, the system will leave Liu Xinyu forever.With the help of powerful goddesses and the system's abilities, Liu Xinyu sets out to change his life. He becomes stronger, smarter, and more successful. Challenges come his way, but with every completed task, he steps closer to becoming a true winner in life!

His Royal Highness the King of Han, who was afraid of the dark and ghosts and loved to cry, has always been the good baby of the princess.
Until one day, His Royal Highness the King of Han found a book in the bookstore…
Picture book?
Content tags:
Search keyword: Protagonist: King of Han, Princess of Han

- Description from novelbuddy