The S-Classes That I Raised - Chapter 157

Zora, once a talented clan head, dies in her world and wakes up in the body of a bullied “waste” young lady of the General’s Manor. Betrayed by her sister Luna, abandoned by her fiancé Crown Prince Philip, and left to die, she rises again because the ancient “Ring of Chaos” has chosen her.Inside the ring, she discovers a vast inner world, two mischievous spirit beasts, and a forbidden art that belongs only to her. After one month of training, she transforms completely: stronger, beautiful, and no longer someone others can trample.On her first day out, she saves the crippled and unloved Prince, Kael, from an “accident,” catching the attention of everyone. He appears to be a playful, shameless prince, but beneath that facade lies someone with a mysterious nature. And from then on, their fates entwined with one another, which leads to an unexpected romance.With her new power, wit, and allies, Zora starts her road of revenge and growth, intending to become the strongest person on the planet.

A man was transported to Ancient China and eventually became a servant of a declining household without a male heir. He utilized his wits and modern knowledge to help the household and eventually become trapped in the sea of political turmoils of the period.

- Description from Novelupdates

An apocalypse for everyone, surviving in the ocean.Extreme weather, Extraordinary Sea Beasts, cunning and deceptive pirates, natives with ulterior motives... Danger lurks everywhere.Upon waking up, Chen Qing found herself suddenly in an ocean survival game, and she had awakened her unique Extraordinary Ability—Everything Can Be Upgraded!Everything Can Be Upgraded combined with the Mechanic profession, what kind of sparks will it ignite?The strongest Mechanic on the sea, Chen Qing's journey begins with a Mechanic's introductory guide!Mechanic Chen Qing, one person! Is equivalent to one nation!!

After the nuclear warfare, massacres started to spread throughout the entire world. The order between humans completely collapses, and the strong eats while the weak gets eaten becomes the #1 rule.