Tomodachi no Imouto ga Ore ni Dake Uzai - Volume 3, Chapter 8: Only the Teacher is White on the Morning at the Inn

Seven years ago, Shen Qianshu is impregnated with Ye Ling’s child in an accident.
Seven years later, the little boy becomes famous and is thought of as the nation’s son.

When he suddenly sees Ye Ling appear, he greets, “Hello, Daddy?”
Ye Ling watches as the little prince roars, “Where’s my princess?”
Just as Shen Qianshu is preparing to run with her son, she gets pushed down by Ye Ling.

“You can leave if you want, but leave me a princess first. Let’s have another baby!”

- Description from Novelupdates

The main character Lei Yu does not have the ability to practice his family’s martial arts. He gets stepped on and tossed around. Due to certain reasons, he leaves the family, coincidentally gains an ability, and makes his own path to becoming an immortal.

After being set up and killed by her half-sister whom her ex-boyfriend had cheated with, Mu Siyin woke up one day to discover that not only was she alive, but she had traveled back in time to 2 years before her death.

In a world where 80% of humanity has awakened supernatural talents, life is a brutal competition.College loser Kim Do-hyun is barely surviving on game bots, instant noodles, and debt. That is, until a government-mandated awakening throws him into the spotlight… only to declare his power total trash.Cloning? Level one? Cooldown? One body? What a joke.But this clone is real. It sweats. It works. It eats. And when it trains… Do-hyun's stats increase.Now, while the clone grinds 24/7—running, working, even getting beat up—Do-hyun chills in bed, reaping the rewards.His strength rises. His body transforms. His life begins to change.But power attracts attention.And when an S-Rank hunter known only as The Jumper starts watching, Do-hyun realizes something terrifying:He might not be the only one cheating the system.