Calamity of Tomorrow - Chapter 402 - 401 is destined for me

An unnamed 34-year-old Japanese NEET is evicted from his home following his parents' death.

Upon some self-introspection, he concludes that his life was ultimately pointless.

Walking down a street he intercepts a speeding truck heading towards a group of teenagers, in an attempt to do something meaningful for once in his life he manages to pull one of them out of harm's way before getting himself in the way of the truck and dying.

Awakening in a baby's body, he realizes he has been reincarnated in a world of sword and sorcery.

He resolves to become successful in his new life, discarding his past identity for his new life as Rudeus Greyrat.

A world with magic, mythical creatures, mystical herbs, labyrinths, and treasures.A world where the strongest adventurers get to be the ones to enjoy fame and riches.A world where various rankings decide your worth.This is the world where Shye Crowley and his sister were born.As the children of two fairly known diamond-ranked adventurers, Shye and his sister, Maia, enjoyed a prosperous lifestyle.Unfortunately, after departing for a mithril-ranked quest in hopes of ranking up, their parents couldn’t return.Years passed and life went downhill fast for the siblings.Fortunately, a fateful encounter bestows him a system that could change their fate.

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

After the sudden death of her boyfriend, Leslie Song has been single-handedly raising her precious little daughter Calliope. It’s a difficult life, but it’s a happy one. A freak accident puts an end to that.As Leslie lies dying on the road, watching Calliope breathe her last, she curses her helplessness. Calliope’s crochet fox seems to hear her. It opens its mouth and asks, “Do you want to see your daughter again? If so, follow me. Her soul has already left for another world.”Leslie agrees. That’s the last thing she remembers before losing consciousness. When she opens her eyes again, she finds herself—or rather, her soul—standing beside her unconscious body on a hospital bed.“How is this supposed to help me find Calliope!” she exclaims.“This is not your body. Your body is dead. This is my original host, Charlene Li,” explains the toy fox. “You can possess her body to find Calliope, but if you do, you must finish her uncompleted mission for her.”“And what mission is that?”“To marry the second most eligible CEO in the city.”‘This,’ Leslie concludes, ‘is a scam.’ But she has no other choice.**********Meanwhile, the second most eligible bachelor in the city, Calix Xu, is patting himself on the back for thwarting his grandmother’s attempts to marry him off. After exhausting all of his tricks and excuses, he has resorted to marrying the comatose daughter of the Li family.Calix smiles, pleased with himself, “Aren't I smart? Grandmother can do nothing now.”But… why is he seeing his newly-wedded wife hovering beside her own body?Before he can react, his wife—the moving one—floats towards him.“Husband! Help me find my child!”“Your child?” Calix asks weakly before doing the only reasonable thing he can do in such a situation.He faints.