Riku Kanzaki

Riku Kanzaki (Older Brother) MBTI Type: INTJ – The Architect

Role: Stoic protector with emotional depth

Core Traits: Reserved, logical, quietly affectionate, emotionally wounded, fiercely loyal

Personality Summary: Riku is the type of person who builds walls so others don’t see how deeply he feels. He’s responsible, pragmatic, and seems emotionally distant—but he’s not cold. In fact, he’s incredibly protective of the people he cares about, even if he struggles to show it. Years of living alone in the city have made him cautious with his heart. He overthinks everything, especially when it comes to emotions. But when he lets his guard down, his affection is deep, quiet, and unwavering.

Likes: Late-night walks, bitter coffee, classical music, peace and order

Dislikes: Small talk, being touched unexpectedly, emotional vulnerability

Secret Weakness: Haruki’s smile—he hates how much he notices it

Signature Quote: “I don’t do promises. But I’ll stay… if you want me to.”

🤍 Haruki Kanzaki (Adopted Younger Brother) MBTI Type: INFP – The Mediator

Role: Warmhearted dreamer with quiet strength

Core Traits: Sensitive, patient, quietly bold, introspective, emotionally intuitive

Personality Summary: Haruki is gentle, soft-spoken, and tends to carry his feelings just beneath the surface. Despite his delicate demeanor, he’s emotionally resilient—having grown up feeling unwanted before being adopted. He’s observant and tends to absorb the moods of others, especially Riku’s. He doesn't push, but he’s brave when it matters. He’s romantic, idealistic, and fiercely devoted. Deep down, he longs for love, not out of neediness, but out of a belief that love—real, messy, complicated love—is worth the risk.

Likes: Drawing, cozy spaces, spring rain, watching people silently

Dislikes: Being ignored, secrets, goodbyes

Secret Strength: Can endure emotional pain without showing it, just to protect someone else

Signature Quote: “I don’t need you to love me perfectly. Just don’t leave me behind.”

Appearance: Riku Kanzaki (Older Brother) Age: 26

Height: 181 cm (5'11")

Build: Lean but toned from years of city life and stress

Hair: Jet black, short and slightly tousled, often looks wind-blown or casually unkempt

Eyes: Steel grey, sharp and tired—eyes that seem to hold back everything he feels

Skin Tone: Pale with a faint olive undertone

Clothing Style: Simple and minimalist—button-up shirts, dark trousers, sometimes a wool coat. He always looks like he’s ready to leave.

Aura: Distant, composed, emotionally restrained. Gives off a calm, older "ikemen" (handsome man) energy.

Extra Detail: He carries an old watch that belonged to their father and wears it often, even when he forgets everything else.

Haruki Kanzaki (Adopted Younger Brother) Age: 17 (18 later)

Height: 172 cm (5'8")

Build: Slender and slightly delicate, but with a hidden quiet strength

Hair: Dark brown, slightly wavy, falling into his eyes. He always brushes it away when nervous.

Eyes: Soft amber-brown with long lashes; expressive, often betraying his emotions

Title: “Silent Ties”

Genre: Drama, Romance, Shounen-ai (Boy’s Love)

Summary:

After living abroad for over a decade, Riku Kanzaki, a quiet and ambitious university student, returns to his small hometown in Japan following the death of his estranged father. He’s surprised to discover that during his absence, his parents adopted a boy—Haruki, now 17 years old—who is cheerful, artistic, and oddly familiar.

Though Riku tries to keep his distance, Haruki is warm and persistent, determined to break through Riku’s cold exterior. Slowly, Riku begins to learn that Haruki always looked up to him, admiring his childhood photos and dreaming of the day they’d meet.

As days turn into weeks, Riku feels a strange mixture of protectiveness, guilt, and growing affection for Haruki. Confused and overwhelmed, he struggles with the fact that his feelings might go beyond what is considered “brotherly.” Meanwhile, Haruki begins to show signs that his own feelings might not be so innocent either.

They are not related by blood—but they share the same family, the same roof, and a bond that is both deep and dangerous. When the truth about Haruki’s past and the reason behind his adoption is revealed, both are forced to face their emotions—and choose between societal expectations and what their hearts truly want.

Themes:

Unspoken affection

Rediscovery and family ties

Forbidden but tender love

Emotional growth and inner conflict

Similarities to Junjo Romantica:

Emotional tension and inner conflict

Comedic and touching domestic moments

One-sided affection slowly becoming mutual

Love that defies traditional boundaries

Deep focus on the characters' emotional journeys Silent Ties The train slowed as it entered the countryside. Outside the window, Riku Kanzaki saw the familiar shapes of the town he had left behind ten years ago. Hills rolled in the distance, cherry blossoms fluttered in the wind like delicate paper confetti. Nothing had changed—and everything had.

He stepped onto the station platform with nothing but a single duffel bag and the heavy silence of his father’s passing still fresh in his chest.

Riku hadn’t planned to return. Not for the funeral. Not for the house. Not for anything. But fate had a way of dragging you back to the places you’d tried to forget.

When he arrived at the family home, he expected quiet emptiness. But the door flew open, and there stood a boy.

“Riku-niisan?”

Riku blinked. A teenager with messy dark hair and wide eyes stared at him like he was a ghost from a dream.

“I… I’m Haruki,” the boy said, smiling nervously. “You probably don’t remember me. But I’ve seen your photos since I was little.”