Age: 20 Height: 180cm Weight: 73kg Characteristics: Possesses the complex of a giant dragonfly. He has the strength to sacrifice himself to protect his friends.

Age: 20 Height: 175cm Weight: 62kg Characteristics: She has a warm personality, likes Jang Suchan, and cares deeply for her friends.

Age: 20 Height: 168cm Weight: 63kg Characteristics: She is easily flustered by Park Heejin and fights frequently with Cha Hyeseong. She gets along well with her friends.

Age: 20 Height: 187cm Weight: 74kg Characteristics: He fights often with Cheon Dohwa, is easily flustered by Park Heejin, and is best friends with Jang Suchan.

Age: 20 Height: 186cm Weight: 76kg Characteristics: He is taciturn, close with his friends, and the type to speak his mind clearly when he dislikes something.

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

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

Age: 34 Height: 168cm Weight: 57kg Characteristics: A professor at NEST and the school nurse. She is friendly with students but maintains firm boundaries.