MTL - Fairy Tail: The Nameless Grim Reaper - Chapter 323 wind chimes

The person whom the world revolves around.

In her previous life, her family was destroyed.In this life, she was reborn and decided to save her family, never letting history repeat itself. But with all the men in her family having already sacrificed, how can her family rise again? At this moment, he appeared and said, “Your family belongs to a prosperous lineage, and for a hundred years, there has never been any waste of talent, including among women.”Later on...The eldest sister became an invincible warrior, the second sister a formidable head of the household, and the third sister a wealthy merchant. Her family was rejuvenated.Because he had helped her countless times in her previous life, she secretly returned the favor in this one.On a snowy night, outside the city wall:“You've saved me so many times, do you like me?” he asked.“No, you are mistaken,” she replied.“Then if I've saved you so many times, can you grow to like me?” he asked again.

A mortal teenager strayed into the immortal way because of an accident, struggling on the road of seeking immortality.

Immortal Road is difficult to climb to the sky, in the face of numerous obstacles, his desire to seek the truth is still unabated.

Looking back again, the green mountains are still there, so the old is boneless.

- 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?