Honkai Star: Rail x Reader Oneshots

Between the Notes | Aventurine x Kanade Yosaki!Reader

Summary: Aventurine and you share a tender and supportive relationship. You, a composer deeply dedicated to using music to heal others, struggle with the weight of your emotions and past guilt. Aventurine, with his charm and understanding, becomes a grounding force in your life, encouraging you to open up and let go of the need to save the world alone.

Tags: Aventurine x Reader, Kanade Yoisaki(PJSK) based Reader, Comfort, Romance, Emotional Support, Healing.

The melody poured through the apartment, soft and melancholic, each note striking like a whispered confession. The dim light of your cluttered workspace illuminated your weary eyes as your fingers danced across the keyboard. Composing was your refuge, a way to capture the emotions you couldn’t say aloud. You’d always believed music could save people, could reach places words never could.

Then, one day, Aventurine walked into your life.

It wasn’t planned—nothing with him ever was. He was a storm of charisma and daring, someone who lived on the edge of chaos, yet carried himself with grace. You met at a small event hosted by the IPC, where your talent as a composer had gained attention. He’d approached you with a warm smile, his eyes gleaming with intrigue.

“You must be the musical genius I’ve heard about,” he’d said, his voice smooth like velvet. “I’m Aventurine. And you?”

You introduced yourself, your voice barely above a whisper, but something in his gaze encouraged you to speak. From that moment, Aventurine became an unexpected presence in your world.

Months Later, The gentle hum of your computer filled the room, the only sound besides the occasional clink of a teacup. Aventurine lounged on your couch, his coat draped across the armrest. He held a teacup delicately, his eyes watching you with quiet amusement.

“You’ve been at this for hours, love,” he said, setting the cup down. “If I didn’t know better, I’d say you’re composing your magnum opus to impress me.”

You glanced over your shoulder, a small smile tugging at your lips. “It’s not for you,” you teased. “But if it makes you think of me, I wouldn’t mind.”

He chuckled, a sound that always sent warmth through your chest. “Touché. But seriously, you need to take a break. Even maestros need rest.”

You shook your head, your fingers pausing on the keys. “I can’t stop now. If I do… I’ll lose the feeling. The song—it’s meant to reach someone. It has to.”

His expression softened, his playful demeanor giving way to something deeper. Aventurine rose from the couch, moving to stand behind you. His hands rested gently on your shoulders.

“You carry so much on those shoulders,” he murmured. “Always trying to save the world with your music. But have you ever thought about letting someone save you?”

His words struck a chord, the same way a dissonant note resolved into harmony. You turned to face him, your voice trembling. “I don’t need saving, Aventurine. I… I just need someone who understands.”

He knelt before you, his gaze locking onto yours with an intensity that made your breath catch. “Then let me understand. Let me be your audience, your partner in this chaotic symphony of life. You don’t have to carry this alone.”

For the first time in years, the weight on your chest eased. Aventurine’s presence was like a counterpoint to your melody—unexpected yet perfectly aligned.

Later that Night, The two of you sat together, your keyboard silent as the stars glimmered through the window. Aventurine held your hand, tracing small circles against your skin.

“Do you think music can really save people?” you asked, your voice barely audible.

“I think it already has,” he replied, his tone earnest. “It saved me the moment I heard yours.”

And in that moment, you knew—you weren’t alone in your song anymore.