It Seems That I've Slipped Into a Different World. Also, My Gender Has Changed. - Chapter 78: Long Time No See, The Freeloading Young Man

There is only one Magi Craft Meister in the world. After the death of the last Meister over one thousand years ago, Jin Nidou was transported to another world in order to succeed her will.

Shao Xuan joins a friend in his expedition to a recently discovered archaeological cave. After he picks up an ordinary looking stone he is teleported to a different world and wakes up in the body of a small orphan child. The world he is in now is still in its stone age with primitive tools made of stone and the ways of the people are savage. Savage isn’t the only thing special about the people though, because they have superhuman strength, jump higher than trees and punch stones. In short, they are able to cultivate their bodies. Despite all this, it is a real struggle to survive because of the scarcity of food. Together with Caesar, his pet wolf, he tries to survive in this cruel world.

- Description from novelupdates

In childhood, they were neighbors. Xie Zhen always bullied Li Yu.

Who told him to be as beautiful as a girl?

After parting for many years, they met again in the capital. With a tall stature and heroic bearing, he seemed like a completely different person.

Not only that, but his identity had also risen to that of the sixth prince.

Hearing he wanted to marry her, Xie Zhen was almost scared silly:

Σ(っ °Д °;)っ What’s his intention? Taking revenge on her?

- Description from Novelupdates

After the divorce, the ex-wife disappeared for four years and unexpectedly gave birth to a pair of twins! Upon reuniting, Third Young Master Shen continuously pressured her into marriage, but the ex-wife's heart was tightly shut. The soft and adorable daughter was worried, saying: “Uncle Shen, why don't you kidnap me and threaten my mom to marry you?” Clearly, she is his biological daughter. The arrogant son, on the other hand, specializes in ruining plans, revealing someone’s embarrassing photos: “If you keep pestering my mom, I’ll send this to the parent group!” He's clearly out to get his dad!