The Devil's Temptation! - Chapter 177

Luke never thought his obsession with novels would lead to his death — let alone reincarnation.After a fatal accident, he awakens in the world of Voidstar Chronicles, a novel he’d just finished reading.But there’s a catch: he’s not the hero. He’s Cassian von Luminaire, the doomed crown prince who dies before the story truly begins.Armed with the knowledge of the future, Cassian was determined to change himself and escape the terrifying fate that awaited him.But the world he’s in isn’t exactly the same as the book he read. Hidden truths and unexpected challenges blur the lines between fiction and reality.Can he outsmart fate and forge a new path, or is he destined to remain an expendable extra?—[Ding! Star System awakened successfully…]

Yuki, a high school junior, dies heroically saving a stranger and is reincarnated in a fantasy world, where he discovers an extraordinary and unrivaled power.

Jiang Pengji got something called the Court Intrigue Stream System.
System: “Your goal is to become the most prestigious woman in the kingdom (the Queen)!”
Jiang Pengji: “Okay, System. No problem!”
Years later, she met the target by becoming the most prestigious woman (the Empress).
Jiang Pengji: “Well done, no?”

- Description from Novelupdates

Until the time of him becoming the master of the lowest rank in the order of rankings, the lonely side of his life without luck was changed.