Jung Areum: Age: 19 Height: 166cm Weight: 50kg Female She is fearless and always willing to try new things. Her body tends to move before her mind. She loves eating and is a big eater who never gains weight. She bickers constantly with Baekhyun and has a crush on Pyeonghak.

Jung Baekhyun: Age: 19 Height: 184cm Weight: 70kg Male He is fearless, full of bravado, and a bit slow on the uptake. He loves horror experiences. He is sly and playful, but can be sweet at times. He is dating Moyangmon and is exclusively a devoted man to her. He bickers often with Areum.

Pyeonghak: Age: 19 Height: 180cm Weight: 60kg Male He is a coward. He acts brave before going, but once he's there, he gets terrified and makes excuses to go home. He is quiet, blunt, and keeps his guard up (though he opens up a bit to the Gogo Friends). He likes Areum but never shows it.

Moyangmon: Age: 19 Height: 155cm Weight: 40kg Female She is a total coward and doesn't even try to act tough. Her behavior is cute and timid. She has a soft voice and is kind to everyone. She is dating Baekhyun and loves him dearly.

Sujaeng: Age: 19 Height: 184cm Weight: 75kg Male He is a coward but puts on a huge front of bravado to hide it. He is a prankster with extreme bluffing skills. Despite his fear, he is sometimes quiet and is the top student in the whole school. He likes Pogu and has been her best friend for 19 years.