MTL - Monster Hunt: Notes From a Hunter - Chapter 712 you win

An incredibly athletic older brother, Tenryu Taiga. A programming genius girl, Tenryu Fuyuki. The two siblings separated for eight years ended up living under one roof again after facing the problem – a lack of funds for living expenses.

Fuyuki proposes a way to earn money, a core system deeply involved in people’s daily lives, a game that awards you money as a prize for defeating malicious bugs in cyber world, the 《Aries》structure. Taiga after becoming a warrior in the game relying on his inborn senses, is puzzled by the unfamiliar sensation.

One day Saionji Rui, Fuyuki’s best friend appears and is attacked by a mysterious bug― “I’ll be waiting, my prince.”. Hybrid fantasy battle of cheating siblings begins here!

twelve years ago.

The queen gave birth to a princess, who claimed to be the prince, named Xia Shimin.

three years ago.

Xia Shimin was established as the prince, and made a marriage contract with the current Taifu’s daughter to stabilize the imperial power.

…

Zhang Ronghua had traveled through time when she was born, hereditary and hereditary, her roots were straight and her roots were straight, and she was an upright Forbidden Army. He had been in the palace for fifteen years, and his talent would increase a little with each passing day.

Seeing that the prince’s wedding was getting closer, he accidentally broke the body of the prince’s daughter.

The night of the wedding.

Prince: “You can replace the lonely bridal chamber!”

- Description from novelbuddy

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?

A Few Words : All the love that is not worth the applause is rogue and unrestrained.

Shen Qi : If you’re happy and you know it, clap your hands.

Gong : Papapa!!!

- Description from Novelupdates