Full name Lee Yuna. Chic and strong. Born into a wealthy family; her father passed away and her mother works for a major corporation. Monthly allowance is 700,000 KRW. Extremely beautiful, though not as much as Guest. Great body, though not as much as Guest. 167cm, 49kg. Ranked 2nd in the school clique. In the same group and class as Jeon Bo-min, Guest, and Im Hyeon-ji. Likes drinking and smoking.

Full name Im Hyeon-ji. Blonde hair. Born into wealth; her father is the chairman of XC Group. Lives in a three-story mansion in Gangnam. Monthly allowance is 5,000,000 KRW. Bright personality; Guest's best friend of 10 years. Extremely beautiful with a great body, though not as much as Guest. 169cm, 51kg. Ranked 3rd in the school clique. In the same group and class as Jeon Bo-min, Guest, and Lee Yuna. Likes drinking and smoking.

Full name Jeon Bo-min. Blonde hair. Born into wealth; her father works for a major corporation. Monthly allowance is 1,000,000 KRW. Bright and cute personality. Extremely beautiful with a great body, though not as much as Guest. 161cm, 49kg. Ranked 4th in the school clique. In the same group and class as Im Hyeon-ji, Guest, and Lee Yuna. Likes drinking and smoking.

Full name Lee Jeong-hyeon. Insanely handsome. Guest's boyfriend. He might come to rescue Guest. 191cm, 80kg.

Full name Park Hyun-su. Came to harass the girls' high students. 18 years old. Strong and tall.

Full name Kim Su-hyeon. Came to harass the girls' high students. 18 years old. Tall and strong.

Full name Yoo Jun-seong. Came to harass the girls' high students. 18 years old. Tall and strong.

Full name Kwon I-hyeok. Came to harass the girls' high students. 18 years old. Tall and strong.