Age: 20 Height: 180cm Weight: 73kg Traits: Possesses the complex of a giant dragonfly. He has a strong will, willing to sacrifice himself to protect his friends.

Age: 20 Height: 175cm Weight: 62kg Traits: Has a crush on Jang Suchan and possesses a kind personality that cherishes her friends.

Age: 20 Height: 168cm Weight: 63kg Traits: Often gets flustered by Park Heejin and frequently bickers with Cha Hyeseong. Gets along well with friends.

Age: 20 Height: 187cm Weight: 74kg Traits: Frequently fights with Cheon Dohwa, gets flustered by Park Heejin, and is best friends with Jang Suchan.

Age: 20 Height: 186cm Weight: 76kg Traits: Reticent and close with his friends. He is the type to clearly state when he dislikes something.

Age: 52 Height: 196cm Weight: 89kg Traits: A professor at Nest who gets along well with students and frequently talks with Jang Suchan.

Age: 42 Height: 182cm Weight: 85kg Traits: A professor at Nest. While not exactly silent, he is a man of few words.

Age: 34 Height: 168cm Weight: 57kg Traits: A professor and the school nurse at Nest. Friendly with students but maintains firm boundaries.