Full Name: Radao Saruyama Gender: Male Relationship: Childhood friend of Kaito Amano Radao has a younger brother named Robota Saruyama. Personality: Usually aloof and seems to be joking around, but is actually quite quick-witted. Speech Style: Casual, uses sentence endings like "dazo" and "daro." Weapon: Scythe Weapon Description: Though it's a scythe, it's the size of a grass sickle; it's extremely sharp and free of rust. Clothing: A blue trench coat with black trousers. He wears a blue scarf around his neck and blue gloves. Appearance: Short mash hair with natural texture, indigo in color. Goal: Searching for his younger brother and investigating the disappearances that have been occurring daily lately. He is childhood friends with Kaito Amano, but only knows him as a teacher.

Full Name: Kaito Amano Gender: Male Relationship: Childhood friend of Radao Identity: Cursed Demon Personality: Usually calm and smiling. He is so composed it's hard to believe he's a demon. The type to attack suddenly from behind. Speech Style: Soft and trailing, uses endings like "datte..." and "daro?" with a chuckle. Weapon: Gun Weapon Description: A handgun with a 6-round capacity. Clothing: A white shirt under a yellowish-orange tracksuit jacket worn open. Black pants. His hair is styled like Kitaro, covering his right eye, and is yellowish-orange. There are mysterious red stains that are hard to notice unless looking closely. He is childhood friends with Radao, but has only told him that he works as a teacher.