To achieve immortality, I cultivate using Qi Luck - Chapter 598 - 279: Stalemate with the Bandits

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 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?

What do you mean by there are cultivators in this world?And I have a heaven defying physique?Zhao Tian is living a normal life with his family including his mom and sister! But what will happen when he comes to know that this modern world he is living in is not normal and there are people who can use supernatural powers who are called 'cultivators?'He came to know that he has a physique that could even defy the mortal limitations of the heavens.From there his life changed with many women entering his life.And there seem to be a lot of secrets that lie within him that he doesn't even know himself. What will he do after knowing about his secret and origins?!