Which Sans X Reader Fanfics Explore Trust-Building After Traumatic Past Events?

Sans and Frisk’s dynamic in fanfics often shines in moments of vulnerability and trust. I’ve read stories where Frisk, burdened by their role as the ambassador of monsters, breaks down in front of Sans, revealing their fears of failure. These fics explore Sans’s protective side, showing him as more than just the laid-back skeleton we know. One memorable fic had Sans opening up about his own insecurities, admitting he feels like a failure for not stopping the resets sooner. The emotional weight of these moments is amplified by their shared history, making their bond feel authentic and deeply moving. Another story I loved had Frisk confiding in Sans about their guilt over past resets, and Sans, in turn, sharing his own regrets about his brother Papyrus. These fics often use quiet, intimate scenes—like late-night conversations in Snowdin or walks through Waterfall—to build trust between them. The best ones balance humor with heartbreak, showing how two broken characters can heal together. I’m particularly drawn to fics that delve into Sans’s hidden depths. One standout had Frisk discovering Sans’s secret lab, leading to a raw conversation about his experiments and the toll they’ve taken on him. These stories often highlight Frisk’s empathy, showing how they can see past Sans’s jokes to the pain beneath. Another favorite explored Frisk’s nightmares about the genocide route, with Sans staying by their side to offer comfort. These moments of vulnerability and trust are what make Sans x Frisk fics so compelling, as they reveal the humanity in both characters, despite their fantastical circumstances.

I recently dove into the 'Mizi Alien Stage' fanfic scene, and there's a standout piece called 'Stardust in the Void' that nails the healing arc. It follows Mizi and her partner after a brutal betrayal, weaving their slow rebuild of trust through shared missions and quiet moments under alien skies. The author avoids rushing the emotional payoff—scars linger, dialogues feel raw, and small gestures like fixing each other’s broken tech carry weight. Another gem is 'Gravity’s Embrace,' where trauma isn’t just a backstory but an active hurdle. Mizi’s panic attacks during space jumps feel visceral, and her partner’s patience—teaching her to recalibrate navigation systems as a distraction—is chef’s kiss. These fics ditch clichés; healing isn’t a montage but a grind, and that’s why they resonate.

I’ve stumbled on so many gut-wrenching Sans x Reader fics where reunions hit like a truck. One had the Reader trapped in an underground lab for years, only to resurface and find Sans a hollowed-out version of himself—jokes gone stale, smiles forced. The fic nailed his guilt-ridden monologues when he realizes he’d stopped searching. Another twisted the knife by having the Reader return as a ghost, tethered to Sans but unable to touch him. The best ones play with timeline gaps—like a Reader who time-travels post-pacifist route, finding Sans older and wearier, their shared memories now one-sided. Bonus angst if Papyrus is the one who recognizes them first.

I recently dove into a few 'Zootopia' fanfics that explore Nick Wilde's emotional scars and his journey toward healing, and one standout was 'Patchwork Hearts.' It delves deep into Nick's trust issues after his childhood betrayal, showing how Judy becomes his anchor. The slow burn of their relationship feels authentic, with Nick's walls crumbling bit by bit as Judy proves her loyalty. The fic doesn't rush his recovery—it lingers on his trauma, making his eventual vulnerability hit harder. Another gem is 'Scars We Share,' where Nick's past as a hustler clashes with his growing feelings for Judy. The author nails his internal conflict, weaving flashbacks of his fox kit days with present struggles. What I love is how Judy doesn't 'fix' him; she just stands by him, letting him heal at his own pace. The emotional payoff when Nick finally opens up about his insecurities is chef's kiss.

I recently dove into a bunch of Spider-Man and Mary Jane Watson fanfics that explore trust after trauma, and one standout was 'Fractured Trust, Mended Hearts.' It’s a slow burn where Peter’s identity reveal goes horribly wrong, and MJ’s left grappling with betrayal. The fic doesn’t rush the reconciliation—it’s messy, with MJ swinging between anger and longing, and Peter learning to respect her boundaries. The author nails the emotional weight, especially in scenes where small gestures—like Peter remembering her coffee order—speak louder than grand apologies. Another gem is 'Webs of Silence,' where MJ develops PTSD after a villain attack. The fic avoids clichés by showing her therapy sessions and Peter’s guilt-fueled overprotectiveness. What I love is how their rebuild isn’t linear; they relapse, argue, and sometimes fail. It’s raw, and the dialogue feels ripped from a 'Spider-Man' comic, especially when MJ calls out Peter’s martyr complex. These fics don’t just fix things with a kiss—they earn every step back to trust.

Sans and Frisk’s friendship is basically my favorite thing to read about in 'Undertale' fics, honestly. I skip anything that’s explicitly romantic or shipping them; I just want those weird, grounded, post-pacifist-run stories where they’re trying to figure out how to be buddies on the Surface. There's this one called 'Nightcap' on AO3 that does it perfectly—it's just Sans and Frisk having hot chocolate on a rooftop at 3 AM, talking about reset anxiety and the weight of memories. No fluff, just two broken people who trust each other enough to be quiet together. Another good one is 'Skeleton Key', which is more adventure-focused but the core is Frisk stubbornly refusing to give up on earning Sans's trust, and him slowly realizing he doesn't have to be alone anymore. The author nails Sans's voice, all sarcasm covering up something painfully soft. Sometimes you have to filter out the ‘ship’ tags aggressively, but the platonic fics are worth the dig. They feel more true to the game’s spirit, for me anyway.

I’ve stumbled upon a gem called 'Ember in the Ashes,' where Sans’s dry humor masks his emotional scars, and the reader’s patience wears thin as they navigate his trust issues. The fic layers psychological tension through fragmented memories—Sans recalling timelines where the reader betrayed him, creating a push-pull dynamic. Their shared trauma over lost timelines slowly bridges the gap, with Sans’s sarcasm softening into vulnerability during late-night Grillby’s visits. The writer nails his voice, blending puns with existential dread. What hooked me was the reader’s backstory—a scientist who unknowingly caused timeline resets, making their guilt mirror Sans’s. The slow-burn climax isn’t a confession but a silent pact to rebuild trust, sealed by sharing a bottle of ketchup under Snowdin’s auroras.

I’ve been diving into 'Hazbin Hotel' fanfics lately, and Alastor-centric ones that explore emotional vulnerability are my favorite. There’s this one where the reader is a demon with a tragic past, and Alastor, usually so composed, starts opening up about his own struggles. It’s a slow burn, with moments of quiet trust-building—like sharing secrets in the shadows of the hotel or protecting each other during chaotic battles. The writer nails Alastor’s voice, keeping his charm intact while peeling back layers of his guarded personality. Another fic has him mentoring the reader, teaching them to harness their powers, but it’s the emotional support that stands out. He’s still manipulative, but there’s a genuine care that grows over time. These stories make his vulnerability feel earned, not forced, and I love how they balance his darker traits with moments of tenderness.

I’ve stumbled upon a few 'Undertale' fics that blend 'Handplates' level angst with romance, and they hit hard. One standout has Sans as a fractured soul post-experiments, meeting a reader who’s a runaway from the human world. The fic mirrors 'Handplates' by dissecting trust—Sans flinches at touch but craves connection, while the reader battles guilt over their species’ crimes. Their slow-burn relationship is threaded with lab flashbacks, showing Sans’ nightmares of Gaster’s voice overlapping with the reader’s comfort. The writer nails his dark humor too, like joking about his ribs being literal spare parts. It’s raw, with scenes of him smashing mirrors to avoid his reflection, only for the reader to piece him back together, not with magic, but by acknowledging his pain. The romance feels earned, not tacked on, because it’s built on shared scars.

Zuko x reader slow-burn fics are my guilty pleasure, especially when they nail the tension and emotional depth. One standout has Zuko as a fugitive, hiding in a remote village where the reader is a healer. Their bond starts with distrust—Zuko’s scar and past make him wary, while the reader’s kindness slowly chips away at his walls. The pacing is perfect, with small moments like sharing tea or sparring sessions building trust. Another gem explores Zuko’s time as the Blue Spirit, where the reader, a thief, becomes his reluctant partner. Their banter is sharp, but the underlying vulnerability shines through. The best part? These fics don’t rush the romance—it’s earned through shared struggles and quiet understanding.