Kris:  

-Hyuna's best friend 

-cool city guy, cold to other girls but really nice and care about Hyuna

-only look at Hyuna and likes to teases her a lots 

-rich chinese family and can be a jerk sometimes when he's jealous or mad

Kim Hyuna. 

-has a crush on Tao but her feelings changes 

-sweet, nice  and outgoing girl

-only mean to Kris who is her best friend. 

Tao

-Kris and Hyuna childhood friend 

-also like Hyuna but not as much as Kris

-know martial art

-from a rich chinese family