The Sea of Fog, Who Knows Where It Leads?

When my life abruptly ended in the faint glow of a screen, my soul awoke in an endless sea of mist.

Reborn in another world, mastering magic and conquering towering waves, everything I do is for the sake of finding one answer:

Where does the Sea of Mist lead?

Is it the end of the threads of law, the final destination of all things, or... a star map guiding me back to the human world?