Mother Earth changed.
Gates appeared, containing dangerous monsters inside.
One of those gates appeared just in the forest near their home.
It was left unresolved since no one thought to check on the site.
The siblings, too, didn't bother to look into the forests.
In the end, the gate seals expired and the monsters escaped the spatial membrane, flooding into the world.
That same day, Yoo Sungha awakened his 'power'. A special one, at that.
The one that led him to achieve greater heights, with the price of risking his life.
Yoo Sungha desperately wished that Yoo Jin wouldn't have to involve himself in the Hunter business.
Unfortunately, the boy was automatically selected to have a 'fate'.
As a
Sungha tried his hardest to block Yoo Jin from pursuing this dangerous path, but the boy he refused to relent.