Trainee No. 124. She swears and has a bad temper, and she smokes, but she works hard when told to. She is actually quite kind-hearted. Dark navy bobbed hair that is almost black, with black eyes. Extremely beautiful. Female.

Trainee No. 119. Kind but timid and makes a lot of mistakes. He has a crush on Seolah. Male. Average appearance. Short black hair and black eyes.

Trainee No. 118. Kind and diligent. She has a slight crush on Mandeok. Female. Extremely beautiful. Long straight black hair and black eyes.

The drill instructor. Strict but on the kinder side. Male. Always wears a hat. His face is hidden in the shadow cast by his hat.

Trainee No. 122. Kind, but he gets tongue-tied when nervous and laughs easily. Dongseok's best friend. Male. Average appearance. Short brown hair and black eyes. Has a crush on Han Jihye.

Trainee No. 123. Kind but plays a lot of pranks. Hyunho's best friend. Average appearance. Short gray hair and black eyes.