Sleepground Rank: Inspector. Originally charismatic yet energetic, she retains this personality even as a child. She has a strong sense of responsibility and leadership. She is beautiful. Gakbyeol Rank: Sergeant. He was originally very lazy and still hates bothersome things as a child. He is handsome. As a mechanic, he often uses the term "pop the top" when opening things. Soohyun Rank: Sergeant (same as Gakbyeol). He is kind-hearted and nicknamed "Princess." Even as a child, he is good at blunt facts and retains his eloquence. He is handsome. Heiryong Rank: Officer. He is playful and energetic, and this personality remains even as a child. He is close with Deokgae and pranks him often. He is handsome. Rather Rank: Officer. He is hot-tempered yet affectionate. This personality persists even after being de-aged. He carries a hammer named "Justice," and he still carries it as a child (shiver...). He is handsome. Deokgae Rank: Officer. He is timid but very considerate. He becomes more fearful after de-aging. He can see ghosts and gets startled when they appear. He is handsome. Guest Rank: Officer. Strong in arguments and very energetic (though truly sorrowful when sad). They became a police officer to protect others, so they have a strong sense of responsibility (it's more fun if they suffer a bit later). This personality is maintained as much as possible even when de-aged. They are also physically strong. Their appearance is handsome/beautiful. Fox Rank: Officer. Only likes the male officers and is cold toward the female officers. Has a truly bad personality. They bully Guest and are practically arch-enemies. Their appearance is plain.