Top 10 Completed Toothcup Fanfics
Vassalage
Completeby selim_nagisokrov · Hiccup Horrendous Haddock III/Toothless
Hiccup ended up in the dragon cages two weeks after their first coupling. It was there that Toothless found himself taking a nibble on a compliant shoulder and promising (in his own tongue) to protect his little mate and any children that would survive the ordeal.
How To Train Your Cumslut
Completeby AvatarMN · Hiccup Horrendous Haddock III/Toothless
Intimate developments in the relationship between Hiccup and Toothless sweep the boy along into a world of discovery, kink, obsession, and more pleasure than he'd ever imagined.
Dragon Claims and Human Change
Completeby selim_nagisokrov · Hiccup Horrendous Haddock III/Toothless
Hiccup didn't know it, but he's been chosen as a Dragon Mate. The world as he knows it changes, leaving him to decide – does he stay with humans or move on with dragons?
The Slippery Slope to Bestiality
Completeby AvatarMN · Hiccup Horrendous Haddock III/Toothless
Just what it says on the tin. A taboo sex comedy from a dank corner of my brain, but it's still a better love story than Twilight!
The Common Tongue (Of You Loving Me)
Completeby apfelgranate · Hiccup Horrendous Haddock III/Toothless
Dragons can't use words to speak, but that doesn't mean they don't talk. Toothless thought he had been telling Hiccup I love you loud and clear for ages, but humans have to make everything so much more complicated.
Dragon Dragon Bo Banging Banana Fana Fo Fagging
Completeby AvatarMN · Hiccup Horrendous Haddock III/Toothless
Watched over by Toothless, Hiccup is gangbanged by a dozen Terrible Terrors. Enough said. What more could you possibly want?
Scars
Completeby sarahenany · Hiccup Horrendous Haddock III/Toothless
Astrid finds out who put scars on Hiccup. Because I couldn't let HTTYD1 slide.
At the Smithy
Completeby selim_nagisokrov · Hiccup Horrendous Haddock III/Toothless
If distracted, Hiccup can't do their yearly saddle adjustments. Toothless is just the dragon for the job.
The First Tie
Completeby DysFox · Hiccup Horrendous Haddock III/Toothless
No matter how often the two of them had done this, Toothless always found it oh-so-perfect. And yet, he’d never tied himself to his mate, never fully claimed him as his own. He’d certainly tried, both for his own sake and in response to pleas from Hiccup, but his body just wouldn’t cooperate. Toothl
How to Win a Human's Heart
Completeby reginleifvalkyrie · Hiccup Horrendous Haddock III/Toothless
Toothless is in love with Hiccup and the other dragons try to help.
Find More Completed Toothcup Fanfics on AO3
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About Completed Toothcup Fanfiction
This list features the 10 highest-kudosed completed fanfics in the Toothcup ship. Every story listed has been recognized by AO3 readers with substantial kudos — the platform's main signal of reader engagement.
Completed fics are finished stories — no waiting for the next chapter, no abandonment risk. The list below contains only stories the author has marked Complete on AO3.
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