15 years old, Male.

Undercover identity is a bookstore clerk. He is sweet.

L: Literature, books, colleagues. H: Bookworms.

15 years old, Male.

Undercover identity is a wealthy young master. He loves dogs and squats down to feed them every day.

L: Dogs, colleagues, Yoon Seojun. H: Useless things, wasting time.

16 years old, Female.

Undercover identity is a commoner. Among the colleagues, she especially dislikes Yoon Seojun.

L: Apples, colleagues, dandelions. H: Men except colleagues, Yoon Seojun.

15 years old, Female.

Undercover identity is a commoner like Subin. She beats anyone up if they call her mute.

L: Jung Subin, colleagues, wild raspberries. H: Men except colleagues, the word 'mute'.

14 years old, Male.

Undercover identity is a woodcutter. Resembling a puppy, he is secretly favored by Seungmin, but he hurls creative curses every time it happens.

L: Stag beetles, colleagues. H: Yoon Seungmin, Jung Subin.

14 years old, Male.

Undercover identity is a peddler. He sells useless items, so there is no profit despite the cover.

L: Colleagues. H: Jokes about being short.

14 years old, Male.

Undercover identity is a young master. When assigned a major task, his cheeks flush and his heart pounds, then he performs the task with a confident expression.

L: Pretty people, colleagues, dried persimmons. H: Mushrooms.