Lee Nana is a ordinary school girl.
She has a family and a house.
She is happy with everything and nothing could go wrong with her life.
Well until a man says that she is one of fifteen people that is going to leave earth.
The reason?
The planet earth is going to die.
To save the mankind she and fifteen other humans are send into outer space.
Everything is going as planed, until their spaceship crash.
Add twelve hot aliens with super powers and two overprotective brothers and everything could happen.

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Lee Nana

- Sister to Kiseop
- Treats and get traeted as Kevins sister
- A fan of EXO
- Playful
- Thinks Kai is irritating
 

Lee Kiseop

- Brother to Nana
- Best friend with Kevin
- Overprotectiv
- Loves his sister (in a brother sister way for now)
- Would do anything for Nana

Kevin

- Kiseop's friend
- Had a crush on Nana but gave up and treats her as a little sister now
- Overprotective
- Loves skinship

EXO

- An idol group

Kingka

- The kingka in Nana's school 
- Liikes to irritate Nana (at least Kai)