Before I Died, I Forcibly Kissed The Heroine - Chapter 258: Its not Mahjong, its definitely nurture

The story of “Lustful Paradise” is a sultry tale of passion and desire.Lucifer, a young and handsome college student, is in the throes of a sexual revolution. His lustful eyes land on anyone who catches his fancy, and he is not afraid to pursue his targets with reckless abandon. But Lucifer is not satisfied with this. He is looking for a bigger challenge, a greater conquest, and he is determined to find it.But there is more to Lucifer than meets the eye. An unknown secret lies hidden beneath the surface. It is a secret that will change everything and a secret that will bring chaos and destruction. And it is a secret that will soon be revealed in the most unexpected of ways.Will Lucifer's lustful desires lead him down a dark path? Or will he find redemption and love in the arms of someone unexpected? Only time will tell. But one thing is certain: Lucifer's lust will not go unquenched.

This is a story of a little man who walks forward silently, in awe, and strives to chase his dream.

- 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?