What happens when two people from entirely different worlds collide and they both just happened to be at the wrong place at the wrong time.

I at descriptions so just bear with me here side couples will also be Yulsic and Yoonhyun.

Tiffany Hwang                                 

-16 years old going out with the sheriff's son Chris. Works at the crashdown cafe and best friends with Jessica Jung and Seohyun.

Jessica Jung

-16 years old best friends with Tiffany Hwang and Seohyun also works at the crashdown cafe                                                                        

Yuri Kwon.                                                                          -16 years old an alien along with Y/N and Yoona. Likes to be alone and has trust issues due to being in an abusive household she only trusts Y/N and Yoona.                                                                               

Yoona Kim.                                                                        -15 years old Y/N's younger sister, queen of the school, doesn't like to get into relationships and also an alien along with Y/N and Yuri.                              

Seohyun.                                                                           -15 years old has a crush on Yoona and best friends with Jessica Jung and Tiffany.                                                                                        

Chris Alexander (OC)                                                       -Hates Y/N is going out with Tiffany and is the sheriffs son                

 And last but not least you you're Yoona's sister, Yuri's best friend and also 16 years old and also an alien.