Honkai Star: Rail x Reader Oneshots

Surprise Anniversary! <3 | Ratio, Aventurine x Reader

Tags: Aventurine x Reader, Ratio x Reader, Anniversary Celebration, Fluff, Romantic Gestures, Personalized Gifts, Sentimental Moments, Playful Love (Aventurine), Intellectual Love (Ratio), Domestic Bliss, Light Angst (Healing Undertones).

Warnings: Mild emotional vulnerability, Implied deep emotional scars (Aventurine), Mention of intellectual themes (Ratio).

Aventurine

The moment Aventurine woke up, his eyes glittered with mischief as he smiled at you. "Darling," he purred, brushing a lock of hair from his face, "you didn’t think I’d forget today, did you?"

Aventurine lived for the grandiose, and your anniversary was no exception. The day began with an invitation—a card sealed with golden wax, summoning you to a private casino event he'd arranged. When you arrived, the room was aglow with golden chandeliers, and every surface sparkled with decadent decor that screamed luxury and sophistication. At the center of it all, Aventurine waited, dressed impeccably in his fancy roulette-themed attire, his peacock feather earring catching the light.

The event was filled with games tailored to your shared memories. One table featured trivia about your relationship, where every correct answer granted a custom prize he had designed just for you—tokens of love disguised as chips that he playfully wagered throughout the day.

“You always keep me on my toes, my love.” you teased as he presented you with the final gift: a heart-shaped roulette wheel, spinning with vibrant gemstones. Each gem, he explained, symbolized a significant moment in your relationship.

Finally, the two of you ended the day alone on a balcony overlooking the city. Aventurine, ever the charmer, held your hand and whispered, “Life’s a gamble, my darling, but betting on us has always been my safest wager.” The sincerity in his voice melted through his playful façade, and he kissed you under a canopy of stars.

Dr. Veritas Ratio

Ratio wasn’t one for extravagant displays, but his anniversary plans were no less profound. When you woke up, you found a small, handwritten note on your bedside table:

"Meet me in the study at noon. - V."

The study, one of his favorite places, had been transformed. Bookshelves that usually housed tomes of academic knowledge now displayed mementos from your time together—ticket stubs, photographs, and little trinkets he had quietly preserved over the years. A large chalkboard stood at the center, covered in meticulously written equations. As you approached, you realized it wasn’t math—it was a timeline of your relationship, each formula symbolizing a shared moment.

Ratio stood nearby, his hair swept to one side, his alabaster sculpture absent to reveal his face fully. “I thought it was time to teach you something,” he said with a rare softness in his tone. “An equation I can’t solve alone.”

He handed you a piece of chalk and invited you to complete the final step. Together, you wrote an expression symbolizing your future—a life shared, balanced, and ever-growing. Ratio’s eyes glimmered with emotion as he said, “This is the only theorem that matters to me.”

To end the day, Ratio surprised you with a private dinner, the table surrounded by projections of your favorite constellations. As you dined, he spoke of his admiration for your support and how you inspired him to push beyond his self-imposed boundaries. “You’ve always been my muse.” he confessed, his voice steady but filled with unspoken gratitude.

As the evening came to a close, Ratio gifted you a bracelet adorned with tiny owl charms, symbolizing wisdom and protection. “So that no matter where I am,” he explained, “a part of me is always guiding you.”