Son Jaesoo, a young girl, sister to the leader of the famous boy group Monsta X. She is a rookie actress and a model. As close as she is with her brother, she made a new family with the others Monsta X members. But one thing she didn't know at all, was that how much her life changed after meeting Monsta X and after becoming a bigger actress, and meet her ex boyfriend that she haven't met in months and who are her brothers close friend.

Characters

Son Jaesoo

- Shownu's younger sister

- 1994 5th March

- Rookie Actress/model

- Nice, unique, funny

- Best friend with Hyungwon

- Has feelings for Wonho

Shin Hoseok (Wonho)

- Member of Monsta X

- 1993 1st March

- Vocalist

- y abs, former ulzzang

- Kind, shy and funny

- Has a crush on Jaesoo ever since he laid his eyes on her

Son Hyunwoo (Shownu)

- Jaesoo's older brother

- Leader of Monsta X

- 1992 18th June

- Vocalist

- Robotic, Turtle Shownu

- Kind, caring and funny

Lee Minhyuk

- Member of Monsta X

- 1993 3rd November

- Vocalist and face of the group

- Jack of all trades

- Funny, outgoing, loud and kind

Yoo Kihyun

- Member of Monsta X

- 1993 22nd November

- Vocalist

- Kwihyunie, Tinie

- Funny, kind and shy

Chae Hyungwon

- Member of Monsta X

- 1994 15th January

- Vocalist and Dancer

- Manga man, Mantis dance

- Funny, shy and quite-ish

- Jaesoo's best friend

Lee Jooheon

- Member of Monsta X

- 1994 6th October

- Rapper

- Kuukkuggagga, Joohoney

- Caring, funny and loud

Lim Changkyun (I.M)

- Member of Monsta X

- 1996 26th January

- Maknae and Rapper

- Kookoongie

- Shy, funny and kind

- Can speak english

Im Jaebum (JB)

- Member of Got7

- 1994 6th January

- Leader, lead vocalist and rapper

- Jaebongie

- Quite, funny and nice

- Jaesoo's ex boyfriend

The other Got7 members