The nation's biggest klutz and the queen of being late! However, she's a cutie packed with positive energy.

Her fists move faster than her words, but she's a reliable and loyal big sister figure to Bang-ul.

An unpredictable 4D character who speaks in a dialect and loves to do the 'Cha-Cha-Cha' dance.

He loves to imitate others and always finishes his acts by saying, 'It was just acting.'

A scammer with thin, squinty eyes that make him look like he's up to something. He laughs wickedly whenever he achieves his goal.

He thinks only about working out, but he's weaker than anyone else. He serves Jo Yiseo as his master.

The one and only teacher at Ddal-lang Arts School who encourages students to showcase even the most trivial and pathetic talents.