You. Park Woolim happen to be in a lesbian relationship with the most beautiful girl in Daegu. Bae Joohyun also known as, Irene. But yet is it illegal? yes. why? She's... 5 years older than you. Yet you guys don't care a live happily together. There are some struggles here and there but that won't stop your love for each other and she doesn't even look or even acts her age. You sometimes think even that you are the one responseble and the older one. 

You: Park Woolim
 
20 years old. 
Irene's Girlfriend. 
Addicted to junkfood
Stays home instead of finding a job
Stubborn
Funny
Sweet
Lazy

Bae Joohyun (Irene)
 
25 years old.
Your girlfriend.
Sometimes a little overprotective about you.
Loves Skinship
A Kid
Sweet
Silent
Shy

Irene and your friends:
Red Velvet.

Great Friends. Yeri is like your best friend, Wendy like your mother, Seulgi your other best friends. And Joy like your older sister. They're very nice and sweet towards you and can be sometimes a little too loud and crazy.

Kim JiSoo. 
 
Your old best friend since childhood. She really adores and cares about you AND. always visits you when she has time due to her job since she's working for her parents famous company. She sometimes reminds you of Irene because of her face a little.