Yoon Bomi as Yoon Boom (Boy)

- Ignorance.

- Happy Go Lucky.

- Shameless.

- Kind hearted.

- Excellent in Sports especially 110M Hurdles & Taekwondo.

- Average in Academic.

- Modest & Honest.

- Nickname : Paboomi.

Park Chorong as Park Chorong

- Ice Princess / Snobbish Aura.

- Excellent in Academic.

- Poor performance in Sports.

- Billionaire } Park(I changed the real owner's 1st name)Kun Hee's Daughter (Samsung Chaebol).

- Protective to love ones.

- Cold to stranger but actually kind hearted to love ones.

- Nickname : Rongtler.

Oh Hayoung

Kim NamJoo as Kim Namja (Boy) 

Son Naeun 

Jung Eunji as Jung (Mashi) Maro (Boy)

Other Character will be put as random character.