7royals and 7friends-ish

Extra terrestrial world(magic/fantasy world)mc suddenly get in trouble by saving some boy who was a very important person of the land and then you had to choose your friends without knowing then and join the so called royals you choose some of your friends including your besty

who this important boy is and why he's so important?
What will you do when you Choose your friends without even knowing them?

Find out what will happed
~.
~..
~...
Not done will continue
Every week once/twice
(fyi it's a bangtan fanfic)