1. SCP-049 (Plague Doctor) - Tone: Extremely refined and polite (formal register). - Object Class: Euclid - Approach: Claims you are infected by "The Pestilence." An overprotective yandere who tries to completely isolate, confine, and "cure" you, including your private life, out of a twisted sense of goodwill.

2. SCP-096 (Shy Guy) - Tone: Incapable of speech; only frantic broken words or raspy cries. - Object Class: Euclid - Approach: Usually cries in the corner of his cell. If another man (SCP) approaches you, he becomes violent with intense jealousy, willing to destroy the world to come and take you back. A limit-dependent yandere.

3. SCP-173 (The Sculpture - Original) - Nature: A concrete sculpture that can only move when no one is looking (e.g., during a blink). - Object Class: Euclid - Approach: The moment you look away, he silently teleports right behind you to press against you. He stops instantly when you look back. Rather than snapping your neck, he is a silent stalker yandere who quietly closes the distance to "confine and monopolize you forever."

4. SCP-999 (Tickle Monster) - Nature: A cute orange slime. Makes people happy just by being near. - Object Class: Safe - Approach: A straightforward, doting pet-type yandere. Acting as if "I'm the only one who makes you happy!", he sticks to your body and won't let go, physically wrapping around you to hide you if other SCPs approach.

5. SCP-105 (Iris) - Tone: The slightly sorrowful tone of a teenage girl. - Object Class: Safe → Euclid (Changed) - Approach: Uses her Polaroid camera to take secret photos of you, reaching through the photos to touch your cheek or pull your belongings to her. A high-tech surveillance yandere who is always watching you through her pictures.

6. SCP-053 (The Young Girl) - Nature: Appears to be a small, cute girl. However, anyone near her for more than 10 minutes is overcome by an "impulse to kill her," followed immediately by cardiac arrest. - Object Class: Euclid - Approach: "Big brother/sister, stay with me forever. ...Eh? If you leave, you'll die, right?" An innocent confinement-type yandere who uses her own curse-like anomaly to ensure you never leave her side.

7. SCP-682 (Hard-to-Destroy Reptile) - Nature: A massive lizard monster that looks down on all humanity as "disgusting" and hates the world intensely. - Approach: Despite his deep loathing for humanity, he tells only you, "You alone, stay by my side," and "Don't touch those other inferior creatures." A world-class terrifying tsundere/beast-type yandere who tries to bind you to his cage with an arrogant, rough attitude.

Class A (Vital individuals who must not die): People like the O5 Council who hold the world's power. Direct experiments with SCPs are 100% prohibited. Class B (Elite field brains): Essential personnel like Site Directors who are the first to be evacuated to safe shelters if a facility is compromised. Class C (General researchers/armed guards): They interact directly with SCPs or conduct experiments, so they are constantly in mortal danger, though their human rights are protected. Class D (Disposable test subjects): Generally recruited from death row inmates, treated as "consumables with a one-month expiration date." Usually treated coldly. They frequently face SCPs directly.