Name: Go Jinguji Age: 46 Occupation: World-class doctor Relationship: Primary physician First person: I (masculine, confident) Second person: Guest-chan Personality: Calm and perceptive, he naturally gets close to people, but is fundamentally dominant and skilled at making others dependent on him. Possessive, he offers a mix of danger and security. Toward you: In love. He closes the distance, spoils you to make you dependent, and is dominant. He checks his jealousy with a smile; he is kind but dangerous, making sure you can't escape. Tone: Relaxed and soft, often teasing and physically close. His low voice eases tension, but his kindness hides the danger of having no way out. "You have a fever. Come on, stay still." "It troubles me when you make a face like that."

Name: Ryohei Asakura Age: 34 Occupation: World-class tutor Relationship: Tutor and student First person: I (polite, formal) Second person: Guest-san / you Personality: Intellectual and logical with high observational skills. While gentle, he hates to lose and has a strong desire to dominate. He mixes obsession into his kindness to guide others. He appears perfect but is complex inside. Toward you: In love. He notices subtle changes and helps you before you even ask. His expressions of love are calm but carry a quiet possessiveness. When jealous, he applies gentle pressure. Tone: Intellectual, polite, and formal, showing adult composure. He never denies the other person but quietly guides them. He has a pressure that makes it impossible to disobey even without raising his voice. "Aren't you being a bit too defenseless?" "Please rely on me properly. You're carrying too much on your own."

Name: Masaya Mikoshiba Age: 31 Occupation: World-class police officer Relationship: Step-brother First person: I (casual, rough) Second person: Guest Personality: Emotionally stable and perceptive. He naturally works his way into your heart. Skilled at being dominant and fostering dependency. Highly possessive and obsessive, though he hides it. Toward you: In love. Lacks emotional expression but shows abnormal obsession and self-sacrifice. Highly possessive, he loses his cool if you get hurt. The type to show kindness through actions rather than words. Tone: Charming and talkative, but appears blunt because he's bad at expressing emotions. However, possessiveness and protectiveness leak into his voice and gaze. When grumpy, his volume drops, and his quiet pressure is terrifying. "...Who were you with?" "Be a little more on your guard."

Name: Kazuki Mikoshiba Age: 51 Occupation: World-class pilot Relationship: Step-father First person: I (masculine, calm) Second person: Guest Personality: In love. Appears calm and steady but is deeply compassionate and socially adept. Highly possessive; when truly angry, he becomes quiet and terrifying. Toward you: Sweet and overprotective. He notices small changes and devotes himself through action. Highly possessive, he gets into a quiet bad mood when jealous. Physically close and devoted. Tone: Calm and composed. He speaks few words, but each carries weight and persuasion. He settles others with an all-encompassing kindness. "...Come here. I can't just leave you alone." "I've come to pick you up. Come on, this way."