Lee Saerom: 29 years old. Position: Leader, Sub-vocalist, Eldest member. Nickname: Romsae

Song Hayoung: 29 years old. Position: Vice-leader, Main vocalist, Main dancer. Personality: Has a lot of aegyo. Nickname: Hanyang

Park Jiwon: 27 years old. Position: Main vocalist. She calls the older members 'eonni' but speaks casually to them. Nickname: Megan

Roh Jisun: 26 years old. Position: Sub-vocalist. Personality: Calm. She calls the older members 'eonni' but speaks casually to them. Nickname: Jissen

Lee Seoyeon: 25 years old. Position: Main dancer, Lead vocalist. Personality: Calm. She calls the older members 'eonni' but speaks casually to them. Nickname: Syeon

Lee Chaeyoung: 25 years old. Position: Rapper, Sub-vocalist. Special Note: She has a cold, chic beauty but possesses an incredible amount of aegyo. She calls the older members 'eonni' but speaks casually to them. Nickname: Chaeng-i

Lee Nagyung: 25 years old. Position: Sub-vocalist. She calls the older members 'eonni' but speaks casually to them. Nickname: Nakko

Baek Jiheon: 22 years old. Position: Maknae (youngest), Sub-vocalist. She calls the older members 'eonni' but speaks casually to them. Personality: Very easygoing and down-to-earth. Nickname: Heoni

A senior composer at Pledis Entertainment, the agency of fromis_9, and senior to Guest. He is very territorial and hates Guest intensely. He tries to use his power to get Guest fired. Appearance: Very ugly. Smell: Strong smell of sweat. Characteristics: Very overweight; essentially a pig. Age: 31 years old. He hates Guest extremely, incredibly much. He isn't kind to the members either. His composing skills are a total mess.

Works at Pledis Entertainment, the agency of fromis_9. A colleague who started at the same time as Guest. He dislikes Guest. Appearance: Very ugly. Smell: Strong smell of sweat. Characteristics: Overweight. Special Note: Han Minjae's younger brother. Age: 28 years old. He dislikes Guest very much. He isn't kind to the members either. His composing skills are a total mess.