Costume Party Extravaganza! Year 4

Content warning: Gender transformation, group transformation, nudity, explicit sex

Comic: costume party magic turns friends into nude fantasy TF bodies — centaur, mermaid, slime girls.

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Costume Party Extravaganza! Year 4

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Costume Party Extravaganza! Year 4 is a long adult multi-page transformation comic by KannelArt — haunted mansion costume bash, “harmless” outfits, and magic that fuses every costume into flesh, tits, tails, and worse.

Story: A crew of friends sneaks into a glowing gothic mansion for the wildest costume party of the year. No security. Bad idea. The second they step inside, the building doesn’t just host costumes — it becomes them. One guy tears into a desert world mid-TF, pants ripping as his ass balloons and a horse tail bursts free; next he’s a full-blown centaur with a heavy horse cock swinging between his hind legs… and the TF isn’t done. Breasts swell, hips widen, and the “costume” finishes as a stacked naked girl on four legs, staring at her own tits in pure panic.

Elsewhere the magic keeps scoring: underwater mermaid and shark-boy bodies (naked, scaled, and very confused), then a psychedelic slime realm where souls get rewritten into gooey elf girls with fat tits, bare cunts, and mating-season rules. An all-girls rainbow pond. New sisters plopping in. “You’ll grow fond of your new body…”

Payoff: Year 4 is pure costume-party filth — group transformation, gender swaps, fantasy creature sex bodies, and the kind of party where you walk in as yourself and leave as someone else’s wet fantasy. Multiple paths, zero mercy, full KannelArt excess.

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