I got an SSS-Grade unique skill

On December 31, 2090… at 11:59 pm

A large meteor comes hurtling into earth. But, contrast to what was expected, it was destroyed even before it lands.

At the same time…

Over 1 million of humans obtained the 'log-in system', where they can access the game called " World of Luck», and have a chance to travel and explore a fantasy-like world!

Soon, 4 years had passed, Adam, the protagonist of the story, was walking along the road and was soon dumbfounded by what appears before him…

'Ding'

[You received an invitation to enter the 'World of Luck']

[Do you want to accept it or not?]

[Yes/No]

«Ehh?!»