What will happen if Yoona were to find out that she was no ordinary girl, that she was a nephilim, the only creature that can defeat the devil? Would she choose to ignore her fate? Or would she accept it? Let's find out about her journey.

Nephilim- half- demon, half-angel

Summoning scroll- a scroll that can be used to enter or get out of limbo

Jutsu- technique 

Summoning jutsu- a technique to summon someone from the outside world into limbo world

Reverse summoning jutsu- a technique to dismiss someone from limbo world to the outside world