I Quit Being The Villain - Chapter 67 The Heroine’s Endings. [1]

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!

“There is a scar on my stomach which is hard to heal over the years”..

Ning Yu is forced to marry Song Bai Lao, whom he was deeply entangled as a teenager. Because of the misunderstanding they had before, Song Bai Lao keeps bad-mouthing Ning Yu to the point that he even becomes Ning Yu’s nightmare. As they get together, Song Bai Lao finally confronts his feelings for Ning Yu, and Ning Yu finally sees his true feelings and sincerity.

- Description from Novelupdates

In a world brimming with magic, Cedric, a young noble with no extraordinary abilities, unknowingly becomes the subject of a colossal misunderstanding. Despite possessing almost zero magical aptitude, Cedric's minuscule magical presence baffles all magic readers, leading them to believe he is the mightiest mage to ever exist.Unbeknownst to Cedric, his reputation as a godlike being with unparalleled wisdom stems from accidental encounters. From unintentionally slaying a dragon at the tender age of four to inadvertently solving enigmatic magical riddles, every action he takes inadvertently reinforces the misconception of his immense power. However, Cedric remains blissfully unaware of his supposed divine status, attributing people's fascination with him to his noble birth.Driven by a desire to make his father proud, Cedric embarks on a journey to navigate this increasingly absurd situation. With each new mishap and misunderstanding, his extraordinary luck continues to fuel the illusion of his formidable magical prowess. The comedy unfolds as the clueless Cedric unwittingly changes the course of the world, all while believing he is merely striving to fulfill his father's expectations.As Cedric's journey progresses, his encounters with astonished individuals persist. Yet, he never unravels the truth about his mythical stature, leading readers through a whimsical tale filled with laughter, misunderstandings, and an unlikely hero who unwittingly becomes a legend, depicting him as a deity capable of conjuring meteors with a mere flick of his finger.

The world I reincarnated into was a world that enabled you to use magic after having read a Grimoire.

And the Grimoire’s contents areーー you wouldn’t believe it- it’s 「Manga」.

This world’s people would take around a year to read a single Grimoire (Manga)

While for me, it would not take an hour, as it was「Manga」

Interpreting and understanding all kinds of Grimoires, the 6 year old me who became the World’s Strongest Master Mage, welcomed brides that were also 6 years old, and started living a carefree life……!!