What Are The Best Slow Burn Fanfics Where Bakugou And Kirishima Confess In Other Words For In Love?

Bakugou and Kirishima’s dynamic is a goldmine for slow-burn fanfics, especially when the tension is built on mutual pining. One of my absolute favorites is 'Ashes to Embers,' where the story starts with them as rivals in UA’s hero course, gradually shifting into a partnership that feels inevitable. The author nails their voices—Bakugou’s gruff exterior hiding a deep respect for Kirishima’s unyielding loyalty, and Kirishima’s admiration for Bakugou’s strength masking his own insecurities. The pacing is perfect, with small moments like shared training sessions and late-night conversations building into something electric. What makes it stand out is how it explores their vulnerabilities without losing the fiery edge that defines them. Another gem is 'Red Riot, Blast Off,' which takes place post-graduation. Here, they’re pro heroes assigned to the same agency, and the slow burn is agonizingly good. The fic delves into their contrasting approaches to hero work—Bakugou’s relentless drive versus Kirishima’s protective instincts—and how those differences draw them closer. There’s a scene where Kirishima gets injured on a mission, and Bakugou’s reaction is so raw and visceral it’s impossible not to feel the weight of their unspoken feelings. The author does a fantastic job of balancing action with emotional depth, making every interaction charged with meaning. For something a bit more introspective, 'Hardened Hearts' is a must-read. It’s set during their UA years, focusing on their friendship evolving into something more. The pining is subtle but constant, with Kirishima’s internal monologue revealing his growing feelings while Bakugou’s actions speak louder than words. The fic explores themes of trust and self-worth, showing how they help each other grow. There’s a particularly poignant moment where Bakugou admits he doesn’t know how to be soft, and Kirishima reassures him that he doesn’t need to be—it’s a turning point that feels earned and deeply satisfying. If you’re into AUs, 'Crimson Sparks' is a modern-day setting where they’re college roommates. The slow burn here is delicious, with plenty of awkward moments and near-misses that keep you hooked. The author captures their chemistry perfectly, blending humor with heartfelt moments. A standout scene involves a game of truth or dare that spirals into a confession neither of them is ready for, leaving them both flustered and confused. It’s a lighter take on their relationship but still packs an emotional punch. Lastly, 'Eclipsed' is a darker, more intense fic that explores their bond in a world where hero society is crumbling. The mutual pining is layered with angst, as they struggle to reconcile their feelings with the chaos around them. The slow burn is agonizing, with every touch and glance carrying the weight of everything left unsaid. The fic doesn’t shy away from their flaws, making their eventual coming together feel all the more real and earned. These stories all capture the essence of Bakugou and Kirishima’s relationship, blending tension, emotion, and growth in ways that keep me coming back for more.

I recently stumbled upon this gem titled 'Rusted Hearts' on AO3, and it’s a masterclass in third-person omniscient slow-burn for Bakugou and Kirishima. The narrator’s ability to dive into both their heads while maintaining tension is unreal—every glance, every unspoken thought feels like a ticking time bomb. The author nails Kirishima’s internal struggle between loyalty and longing, while Bakugou’s gruff exterior slowly cracks under Eijirou’s persistence. What sets it apart is how the POV shifts seamlessly between their training sessions and quiet moments, making the eventual confession hit like a meteor. The fic’s pacing is deliberate, with arcs that mirror their canon growth, and the omniscient voice adds layers to their dynamic—like when it reveals Bakugou noticing Kirishima’s scars before either of them acknowledges the attraction. If you love emotional payoff built over 200k words, this one’s a must-read.

especially those with the kind of emotional depth you see in 'Bakugou x Kirishima' fics. For Nino, 'Five Times Nino Almost Confessed' is a standout—it captures his guarded personality and the tension of unspoken feelings beautifully. The author nails his internal conflict, making every near-confession feel like a dagger to the heart. Another gem is 'Quiet Hearts,' where Nino’s loyalty clashes with his fear of vulnerability. The pacing is deliberate, letting the emotional stakes build until the final, cathartic payoff. If you’re into AU settings, 'Coffee Shop Chronicles' reimagines Nino as a barista who hides his crush behind sarcasm. The gradual shift from biting remarks to tender moments is chef’s kiss. For darker themes, 'Broken Strings' explores Nino’s guilt and love in a post-war AU, mirroring the angst of 'Bakugou x Kirishima' but with a melancholic twist. These fics all share that raw, aching slowness that makes the romance hit harder.

So you're hunting for that slow-burn KiriBaku goodness, huh? I totally get the craving—there's something about the way their dynamic shifts from explosive rivalry to unspoken loyalty that just begs for a long, drawn-out realization. I've had the best luck on Archive of Our Own, honestly. The tagging system is a lifesaver. You'll want to filter by the relationship tag 'Bakugou Katsuki/Kirishima Eijirou,' then add 'Slow Burn' as an additional tag. Don't just stop there, though. Throw in 'Emotional Hurt/Comfort' and 'Friends to Lovers'—that combo tends to net the real gems where the pining lasts for 50k words before they even hold hands. I'm a sucker for the ones where Bakugou's anger issues are actually dealt with as a genuine problem Kirishima helps him navigate, not just a cute character quirk. Sometimes I'll sort by kudos or bookmarks, but honestly, some of the best slow burns are still being written and haven't hit the top of the charts yet. I found this one epic called 'Red Riot and the Art of Patience' that took 30 chapters for them to finally admit anything, and it was worth every agonizing update. The comments section was full of us collectively losing our minds each week. You might also wanna lurk on specific Tumblr blogs that recc fics; the 'bkdk' tag might dominate, but there are dedicated KiriBaku shippers who post long, detailed rec lists. Just be prepared to wade through a lot of… let's say… different interpretations of Bakugou's personality to find the slow burns that feel true to character.

Look, I've gone down this rabbit hole a few times, and 'best' is tricky—it's so subjective depending on whether you want them as rivals, heroes, or something darker. The classic slow-burn that gets recced a lot is 'Between the Lines' by tessera. It starts post-graduation, with Kirishima and Bakugou on different hero agencies, and the burn is glacial. It's all about missed calls, shitty texts, and Kirishima overanalyzing every single interaction for three years. Some people find the pacing frustrating, but that's the point, right? The tension comes from their careers getting in the way, not miscommunication for its own sake. I also keep going back to 'Red Riot, Dynamight' which is a weird one because it's an AU where they're both in a support gear engineering course. The romance is secondary to the plot about building a new type of armor, and the attraction simmers under the surface for like 40 chapters. The author really gets Bakugou's voice—grumpy, hyper-competent, but weirdly soft when Kirishima is struggling with a weld. The slow burn here feels earned because they're building literal and metaphorical foundations together. Honestly, a lot of fics tagged slow-burn in this pairing aren't. They jump from snarking to kissing in five chapters. The real gems are ones where the 'burn' is in the character development, not just the pacing. Like that one where Bakugou has to learn to apologize, genuinely, for something he said years prior, and it takes him 80k words to even understand why it matters. I'm blanking on the title, but it's out there.

I’ve been obsessed with the Bakugou/Kirishima slow burn fics lately, especially the ones that weave in lyrics or song motifs to heighten the emotional tension. There’s this one fic, 'Scarlet Heartbeats,' where the author uses Halsey’s 'Hurricane' lyrics as a recurring theme—Bakugou’s internal chaos mirrored against Kirishima’s steady presence. The way they build the romance over 30 chapters, with each lyric snippet acting like a breadcrumb trail to their eventual confession, is pure art. Another gem is 'Edge of Desire,' which borrows from John Mayer’s song of the same name. The fic focuses on Kirishima’s pining, using the lyrics to underscore his fear of crossing the line with Bakugou. The slow burn here is agonizingly good, with fights and near-confessions that leave you clutching your chest. The author nails Bakugou’s gruff exterior softening bit by bit, all while Kirishima’s playlist plays in the background like a soundtrack to his heart.

I stumbled upon this gem of a fanfic last week called 'Embers in Stone', and it perfectly captures the slow-burn tension between Bakugo and Kirishima. The author uses tanka and haiku to mirror their relationship—explosive yet restrained, like Bakugo himself. The haiku sections focus on Kirishima’s quiet admiration, while the tanka delve into Bakugo’s internal struggle with vulnerability. It’s a masterclass in showing emotion through sparse poetry. The pacing is deliberate, with each verse building toward a pivotal moment where Bakugo finally acknowledges Kirishima’s importance. The imagery of hardening versus explosions creates a beautiful contrast. Another standout is 'Red Riot, Blazing Heart', which blends action scenes with poetic interludes. The haiku here are sharp, reflecting Bakugo’s brashness, while the tanka soften into Kirishima’s perspective. What I love is how the author doesn’t rush the romance; instead, they let it simmer through shared battles and quiet moments. The final tanka sequence, where Bakugo composes one for Kirishima, had me tearing up. It’s rare to find fanfics that balance character depth with poetic form so seamlessly.