MTL - My Parents Are Omnipotent - Chapter 3 that's a good guess

Rowan was just a broke college dropout—until he was summoned to another world.Dragged into the war-torn realm of Laronia, Rowan stands beside four other chosen heroes, each blessed by prophecy… except him.While the others awaken to legendary powers and divine roles, Rowan receives a blank grimoire. No magic. No title. No future.Cast aside and marked a failure, he prepares for death—until the silence inside his grimoire begins to speak.The gods made a mistake. And this world is not ready for what lies beneath the Wordless Mage.

[Sweet Baby + Parenting + Doting In-laws + Light-hearted + Redemption]Xu Wan became a widow right after her marriage, initially hoping to enjoy a carefree life as a Marquis’s wife.Unexpectedly, on her very first day at the mansion, that notorious troublemaker of a stepson, infamous throughout the capital, tried to intimidate her twice.Xu Wan grabbed a knife and rushed out, instantly becoming the talk of the entire capital!Though she thought her dreams of being the Marquis’s wife were over, her in-laws surprisingly retaliated by entrusting the little devil to her care for reformation.Xu Wan: “???”Little Devil: “???”At first, no one believed it would work…But later, the maids would exclaim in amazement every day:“The young master who never studied is actually going to the study room!”“The young master is even bringing foot-washing water for the old Marquis!”“The young master actually saved all the children in the slums!”…The Marquis’s mansion was shocked, the entire capital was shocked, even His Majesty in the palace was shocked.Word spread that the Marquis’s wife had a special talent for reforming troublesome children. Soon, court officials began sending their rebellious sons to the mansion, and the mansion’s “elite class” kept growing!Three years later.The Minister of Rites, responsible for the imperial examinations, wailed to the heavens: “It’s impossible to choose! They’re all top candidates!”

Rainer, an amateur arcanist and college student, sought to create a new spell far surpassing the magic of the few he inherited from his grandfather. Yet the interference of an unknown event during the casting of his spell led him to be thrown through space and time.