PLOT

Kim Hyuna, a 16-year-old girl who tells her friends tall tales about her romantic exploits, but she actually has no boyfriend. She says that a handsome boy in a candid photo is her boyfriend, but it turns out that boy is a schoolmate named Kim Myungsoo. She has no choice but to make him her fake boyfriend. However, Myungsoo may look like a sweet person, but he is actually an ultra-black-hearted sadist. Myungsoo takes advantage of Hyuna's weakness and treats her like his dog.

Kim Hyuna

- afraid from being alone with no friend in her class

- often tells about her having a boyfriend by taking some photo of random guys.

- cute and sweet

Kim Myungsoo

- have 2 personalities 

- protective

- actually more of tsundere hiding under the disguise of a sadist

Jeon Jiyoon

- Hyuna's bestfriend.

- always care about Hyuna

Lee Seungyeol

- Myungsoo best friend since middle school

- A hot blooded man

- simple clear personalities

Lee Byunghun a.k.a L.Joe

- a super flashy guy

- sort of a playboy type

Kevin Woo 

- unconfident and a shy boy

- kind hearted

- has a crush at Hyuna

Heo Gayoon

- one of Hyuna friend

Nam Jihyun

- one of Hyuna friend

Kwon Sohyun

- one of Hyuna friend

 Oh Sehun

- tries to make Hyuna fall in love with him in order to take revenge on Myungsoo because steal his girlfriend.

Kim Myungji (I just create the name LOL)

- Myungsoo older sister

- have same personality like her brother

Mrs Kim

- Myungsoo and Myungji mother