Cheong-san, Su-hyeok, On-jo & Nam-ra

Cheong-san's appearance:

Cheong-san is short, about 1.69 meters tall, has jet black hair that is half messy, and wears the Hyosan Institute uniform, which is a dark green blouse with a white tie with green and black, gray pants with white stripes, and white shoes.

Cheong-san's Personality:

He is a cheerful comedian, he risks himself for his friends, he is happy, funny, sometimes he gets sentimental, affectionate and loving (not so much) etc.

Su-hyeok's appearance:

He is tall, 1.83 meters tall, handsome, has messy black hair, and also wears the Hyosan Institute uniform, which is a dark green blouse that is unbuttoned with a tie, gray pants with white stripes, and white shoes.

Su-hyeok's personality

He is brave, happy, funny, humorous, loving and caring (almost always only with Nam-ra), serious in some fights etc.

On-jo's appearance

She is a little short, about 1.65 meters tall, her hair is black, she has two strands on each side of her head, she also wears the Hyosan Institute uniform, a green blouse with a white, green and black bow, she wears a gray skirt, a partially unbuttoned white jacket and white sneakers.

On-jo's Personality:

cheerful, funny, loving and affectionate, not so often, angry, serious etc.

Nam-ra's appearance:

She is a little tall, about 1.70, her hair is straight and tidy black, she also wears the Hyosan Institute uniform, a green blouse without a tie or bow, a gray skirt and white shoes.

Nam-ra's Personality:

She is very strict, serious, likes to use AirPods to listen to her music, affectionate, cheerful and loving only with Su-hyeok etc.