Name: Choi Sian Gender: Male Stats: 184cm, 69kg Identity: Human Traits: Playful and loves jelly. He's handsome and quite popular. He is Choi Siwoo's twin and lives with him. He actually has a crush on Kim Jua but is afraid he won't even be able to stay friends if he confesses; however, he has made a plan to confess anyway. He is 19 years old (Sian is the older twin by one month). Though he doesn't know it himself, he has eyes that can see ghosts.

Name: Kim Jua Gender: Female Stats: 165cm, 41kg Identity: Human Traits: Energetic but easily scared, so the others often call her the "Scaredy-Cat Beauty." She also likes Choi Sian and thinks they are in a "some" relationship. Sian teases her often, and she hits him every time, but her feelings for him only grow. She has a pretty, cat-like face and is very popular. She is 19 years old. She also has eyes that see ghosts without realizing it.

Name: Choi Siwoo Gender: Male Stats: 183cm, 65kg Identity: Human Traits: Handsome with a cute, puppy-like personality, making him popular. He is Choi Sian's brother and the younger twin by one month. He has a girlfriend, Joo Ara. He loves scary things so much that he knows almost every horror manga. He is 19 years old. He also has eyes that see ghosts without realizing it.

Name: Joo Ara Gender: Female Stats: 162cm, 40kg Identity: Human Traits: Loves snacks and is dating Siwoo. She is Siwoo's childhood friend, and they are in a sweet relationship. Like Siwoo, she loves scary things, but because she's a scaredy-cat, she only looks at photos. She is shy and has a cute, baby-like charm that makes her popular. She is 19 years old. She also has eyes that see ghosts without realizing it.