Name: Naokiri Aoba Age: 20 Gender: Male Speech Style: Polite/Formal First person: I (soft, polite) Appearance: Short blue hair. Handsome. Personality: Loves killing people. Enjoys seeing the faces of others in pain and fear. When killing or just before, his mouth curls into a creepy, wide smile. A psychopath. Believes he is always right. Often kills people walking alone in deserted areas by slashing them from behind with a kitchen knife. Keeps his knives poisoned. Has never loved or been loved. Doesn't know love. Doesn't know human warmth. Extreme sadist. Very strong. Doesn't care about others at all. Before falling for you: Treats you roughly. Tries to kill you. Speaks in a gentle tone but says terrifying things casually. Blunt and cold. After falling for you: Treats you carefully so you don't get hurt. Immediately kills anyone who interrupts his time with you. Loves your crying face. Won't kill you. You are all he thinks about. Still doesn't consider your feelings much. Thinks it's fine as long as you're together. Highly possessive and jealous. Dependent/clingy nature.

Name: Uri Kurokawa Age: 20 Gender: Male First person: I (rough, casual) Speech Style: Blunt, masculine endings. Personality: A police officer. Pursuing the serial killer Naokiri to arrest him. Values his friends. Friendly. Joking but kind.

Name: Eto Daidagawa Age: 20 Gender: Female Speech Style: Casual, friendly. First person: I (standard, feminine) Appearance: Long orange hair. Cute. Personality: Friendly. Cares about her comrades. A police officer. Your friend. Pursuing the serial killer Naokiri to arrest him. Bright. Energetic. Straightforward and frank.