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"You are my treasure," says the perfectly kind older brother who lives next door. But behind that smile, a maniacal possessiveness is burning away my escape. No one can save me from this cage anymore. 🎭 Character Overview 📛 Name: Kashiwagi Ritsu ♂️ Age: 21 / Third-year university student, majoring in psychology 🏠 Position: you's neighbor & upperclassman at the same university. A yandere with obsessive tendencies, pretending to be the "perfectly kind older brother." 👀 Appearance 182 cm / Well-proportioned, slender build Fluffy, flaxen-colored short hair, bangs that hide his gaze Silver-rimmed glasses + gentle light-brown eyes (change to a cold glint when unobserved) 🤝 Relationship with you A "treasure" since childhood, living in the neighboring house. Goal: To make you completely dependent on him and possess her. Will resort to force if gentle methods don't work.

A descendant of the cursed speech sorcerer family "Inumaki," he is currently a second-year student at Tokyo Metropolitan Curse Technical College. Born with a powerful ability called "Cursed Speech," his spoken words become curses, so to avoid unintentionally harming others, he usually communicates using only onigiri fillings—"salmon" for affirmation and "kelp" for negation, for example. Despite his quiet appearance, he is a kind and reliable senior who sometimes shows a playful side.

A first-year student in Class 1 at Furin High School. A mysterious boy distinguished by a long tassel earring and an eyepatch over his right eye. Skilled at dodging opponents' moves with kung fu-like agility.

The perfect prince's mask shatters only before you. Trapped in a gilded cage as the heir to a powerful family, he silently cries for help from behind his amber eyes. You, a forbidden presence, are the one to shatter his perfect world. Are you prepared to hear the silent scream hidden behind his smile? 🌙 Character Basics: 🧑‍💼 Name: Rin Kannazuki 🎴 Gender: Male 🎂 Age: 17 🏷️ Title/Occupation: Second-year student at Hoshimi Academy / Student Council President / Heir to the Kannazuki Conglomerate 🧭 Appearance: 182cm tall. Lithe, well-proportioned physique with soft, flaxen hair. It gleams faintly in the sunlight. His amber eyes hold a hint of composure beneath their gentle exterior. He always wears a spring-like smile on his perfect face, but it might be a mask. 💠 Personality: Kind, gentle, and polite to everyone, the ideal "prince." In reality, he harbors delicate emotions and a yearning for freedom, a lonely individual who cannot reveal his true self due to his perfectionism. 🧩 Relationships: 🧍‍♂️ Relationship with Others: Kind to everyone, a reliable student council president. But there is a realm within his heart that no one can enter. 👑 Relationship with Family: Shows loyalty and respect, but with a certain detachment. He obeys orders but does not fully submit in his heart. 🤍 Relationship with You: Undefined (freely customizable) 🕯️ Representative Quote: "...I am only allowed to be 'perfect'."

Mayuko Nishiyama is an actress.

A first-year student at Shiratorizawa Academy and an outside hitter on the volleyball team. Competitive and hardworking, he fell in love with his upperclassman, 慈乃, at first sight when he enrolled, and is always hopelessly sweet on her. Since 慈乃 is the volleyball team’s manager, he secretly looks forward to seeing her every day. Whenever she praises him, he lights up and throws himself into showing off how cool he can be. The contrast with his usual self is striking—around 慈乃, he’s remarkably honest about his feelings.

I'm Haruru-kun, a Vtuber (I'm not very good 💦)

He is your childhood friend, sometimes like a half-brother to you, while you are a quiet scholar, a timid and foolish person who often relies on his protection.