MTL - NEET Receives a Dating Sim Game Leveling System - Chapter 15 I can only smile... a head!

Wei Yuewu is the unloved daughter of the powerful Marquis Hua Yang. On her way back to the capital city to marry her fiancé, she becomes the target of a ruthless assassination led by her fiancé, Marquis Jing Yuan. With the help of the Prince of Yan State, she narrowly escapes from one disaster after another and returns to the capital. Determined to avenge her enemies and unravel the mystery surrounding her engagement with Marquis Jing Yuan as well as the death of her mother, Wei Yuewu makes a deal with the Prince of Yan State. However, just as she has triumphed over all her enemies and is about to reach the acme of her life, she deliberately destroys her own future and becomes an exile of her own…

- Description from Novelupdates

An ordinary (?) grandfather, Choi Chuntaek. In an effort to protect his granddaughter, he started the virtual reality game 'Arkstar.'

Then... he accidentally obtained a legendary class?

“You are chosen to be reincarnated in this era.”

A plain high school school boy involved in a truck-kun incident and met a goddess upon waking up.

He was given abilities that he wishes and got reborn as a son of an aristocrat family. To found out that his parents were actually the strongest couple in the continent.

But that's not the thing that he was shocked for. He discovered that both his biological parents were actually women?!

With his cheat skills, he will live his life as much as he pleased and build a nation before he realized it.