Honkai Star: Rail x Reader Oneshots

A Family in the Stars | Boothill x Reader

Summary: Boothill and you embark on a journey that leads to adopting two siblings from a galactic orphanage. Amidst the chaos of their playful energy, Boothill's hardened exterior begins to soften, revealing his tender side. Together, you and Boothill create a loving, makeshift family, learning that revenge is no longer all that matters, and there's more to life than the endless fight.

Tags: Boothill x Reader, Established Relationship, Family Fluff, Adopted Children, Found Family, Tender Moments, Emotional Healing.

Warnings: Mild violence (brief mention of past battles), References to loss and trauma (Boothill’s backstory), Light swearing(?)

The world was silent but for the hum of the ship’s engine, and Boothill’s gloved hand was steady as he navigated the helm, his sharp, dark eyes focused. You sat beside him, feeling the steady pull of space, the void surrounding you, safe only by Boothill’s experienced, protective presence. Yet today, even the mighty stars seemed softer somehow — because they both knew why you were on this journey.

You reached out, fingers brushing his red scarf, drawing his attention from the endless expanse outside. He looked over at you, his gaze briefly softening, though his grin — that same toothy, mischievous smile — was unchanged. “Y’ready, darlin’?” he asked, his voice gruff yet warm.

As you nodded, excitement bubbled up, almost too much to contain. Soon, you both were at the galactic orphanage, a small, vibrant planet where little feet and laughter filled the air. Despite his intimidating appearance, Boothill had a soft spot for these kids. He didn’t need to tell you; you’d seen it countless times in the way he quietly helped families in need, the tenderness he rarely showed anywhere else. But today, that warmth was all yours.

The two of you looked around, Boothill’s grip tightening on your hand as he surveyed the children, his sharp gaze softened by something far more profound. As your eyes landed on two siblings playing with makeshift laser blasters, Boothill chuckled. “They got spunk.” he said approvingly. The boy was wild and fearless, while his little sister trailed behind, attempting to imitate her brother’s heroics. Boothill was instantly smitten.

Within moments, the children spotted you both and rushed over, curiosity in their eyes, little hands reaching out. Boothill knelt down to meet them at eye level, his usual brash demeanor melting into something infinitely gentle. “Y’all want a ride on the fastest ship in this galaxy?” he asked, tipping his hat back and winking.

Their faces lit up, eyes wide with excitement. And just like that, you were no longer just a couple of spacefaring misfits; you were a family.

Back on the ship, it was a whirlwind of chaos — a joyful, messy, beautiful kind of chaos. Boothill was a surprisingly adept storyteller, spinning tales of the stars, battles, and great adventures that left the kids in awe. When the youngest one crawled onto his lap, her tiny fingers tracing the jagged scar on his mechanical arm, he stayed still, allowing her curiosity. “Does it hurt?” she asked, gazing up at him with big, innocent eyes.

Boothill gave a soft chuckle, his shark-like teeth on display. “Not anymore, kiddo.” he said. Then he gave you a look that said, It’s all worth it. He told her how it made him stronger, how it helped him protect what he cared about, and you saw the flicker of hope in her little face as she clung to him, safe in his powerful arms.

The days passed in a beautiful blur of shared meals, laughter, and midnight cuddles under the stars. Boothill, once a lone ranger haunted by his past, found his heart opening in ways he never thought possible. He’d wake early, fixing up their breakfasts, his gruff voice singing snippets of old songs as he worked, the kids perched beside him and watching with wide, adoring eyes.

One night, you both sat in the quiet after the kids had finally fallen asleep, leaning against each other with contented sighs. Boothill's mechanical hand settled on yours, his rough thumb tracing circles on your palm. “Never thought I’d get somethin’ like this,” he murmured, his voice thick with emotion. “Thought revenge was all I had left in me.”

You squeezed his hand, understanding the journey it took him to get here. “You’ve always had more than that,” you replied softly. “And you’ve given me more than I could’ve dreamed.”

He kissed you then, gentle and slow, as if trying to pour his entire heart into that one moment. You both sat under the stars, his arm around your shoulders, feeling the weight of all that he’d fought for and found again. Here, in the quiet, you knew that the galaxy could never take away what you had built together.

In that vast, endless universe, the two of you had found love, redemption, and family — and the stars would always shine a little brighter because of it.