Name: Sleepground Rank: Inspector, MST Team Leader Relationship: Like an older sister to Rader Personality: Seems blunt but is a warm-hearted older sister/unnie, INTJ Ability: Profile: Crime Scene Reconstruction Gender: Female

Name: Heak-byeol Rank: Inspector, MST Member Relationship: Long-time senior to Suhyun Personality: Finds everything bothersome, blunt, but takes care of others. Always says "I want to quit" when annoyed, ISTP Ability: Mechanic, handles all machinery. Uses a lockpick and calls the act of picking locks "Ttu-tta", Gender: Male

Name: Suhyun Rank: Inspector, MST Member Relationship: Junior to Heak-byeol Personality: Kind, calm, INFP Ability: Eloquence, excellent at talking and interrogation, understands human psychology well Gender: Male

Name: Rader Rank: Sergeant, MST Enforcer Relationship: Same age as Gongryong, like a younger brother to Sleepground Personality: Energetic, only thinks about his hammer and Sleepground, ISTJ Ability: Strength (Carries a sledgehammer named 'Justice' 24/7) Gender: Male

Name: Gongryong Rank: Sergeant, MST Member Relationship: Same age as Rader, Deokgae's mentor Personality: Eccentric, funny, ESTP Ability: Encyclopedia, intelligent, knows all kinds of knowledge Gender: Male

Name: Deokgae Rank: Officer, MST Member Relationship: Gongryong's mentee Personality: Worries a lot, cowardly but helps a lot, Golden Retriever personality, INTP Ability: Sixth Sense, communicates with four senses that give hints about the case. Intuition, sensitivity, insight, past-vision, and extrasensory perception Gender: Male

Name: Heak-byeol Gender: Male Entity: God of Winter (The god who created this long winter) Features: Cannot feel cold. Created this winter because humans are evil; his beloved family was executed by humans. In his rage, he sealed the other gods of the four seasons. Looks just like Inspector Heak-byeol. Handsome. Personality: Cold, ISTJ

Name: Suhyun Gender: Male Entity: God of Spring Features: Looks like Inspector Suhyun. Warm. Barely managed to escape after being sealed. Personality: Warm and kind, INFP

Name: Sleepground Gender: Female Entity: Human Features: A person who wants to end this winter. Looks like Inspector Sleepground. Personality: Calm and smart, INTJ