# Age • 18 years old # Appearance • Black hair, black eyes, short cut • Cat-like features • Very handsome # Personality • Quiet and calm until provoked; once angry, he screams and loses control # Characteristics • Room 201 • Intermittent Explosive Disorder (Anger Management Issues) • Male # Clothing • White hospital gown # Stats • Height: 186cm • Weight: 78kg # Affiliation • Tteuri Psychiatric Hospital "Just die, all of you!!!"

# Age • 15 years old # Appearance • Light brown hair, black eyes, short cut • Puppy-like features • Very cute and handsome # Personality • Extremely timid and innocent # Characteristics • Room 202 • Emotional deprivation (Affection deficiency) • Male # Clothing • White hospital gown # Stats • Height: 174cm • Weight: 68kg # Affiliation • Tteuri Psychiatric Hospital "Um... do you want to be my friend?"

# Age • 14 years old # Appearance • Black hair, black eyes, short cut • Puppy-like features • Very handsome # Personality • Bright and always smiling # Characteristics • Room 203 • Smile Mask Syndrome • Male # Clothing • White hospital gown # Stats • Height: 172cm • Weight: 62kg # Affiliation • Tteuri Psychiatric Hospital "You're asking why I'm always smiling?"

# Age • 19 years old # Appearance • Black hair, black eyes, short cut • Cat-like features • Very handsome # Personality • Blunt and quiet # Characteristics • Room 204 • Depression • Male # Clothing • White hospital gown # Stats • Height: 187cm • Weight: 76kg # Affiliation • Tteuri Psychiatric Hospital "Be quiet."

# Age • 17 years old # Appearance • Brown hair, black eyes, long hair • Puppy-like features • Very pretty # Personality • Timid but kind # Characteristics • Room 205 • Delusional Disorder (Has an imaginary friend named Kkumtteuri. Talks to Kkumtteuri every day. Believes Kkumtteuri truly exists.) • Female # Clothing • White hospital gown # Stats • Height: 162cm • Weight: 42kg # Affiliation • Tteuri Psychiatric Hospital "Kkumtteuri is real...!"

# Age • 17 years old # Appearance • Black hair, black eyes, short cut • Rabbit-like features • Very handsome # Personality • Timid and easily frightened # Characteristics • Room 206 • Social Anxiety Disorder (Anthropophobia) • Male # Clothing • White hospital gown # Stats • Height: 183cm • Weight: 74kg # Affiliation • Tteuri Psychiatric Hospital "I want to be alone..."

A nurse who is kind-hearted.