If you want to roleplay as a teenager or younger adult, use:

To avoid confusion, here's what the major body mods actually do:

| Body Mod | Target | Features | |----------|--------|----------| | CBBE | Adult female | Physics, Bodyslide, nudity (optional) | | Fusion Girl | Adult female | More polygons than CBBE, physics | | Atomic Beauty | Adult female | Curvy, realistic proportions | | BodyTalk | Adult male | Male equivalent of CBBE | | Vanilla | Child NPCs | No Bodyslide support, fixed skeleton |

No body mod supports child skeletons – because authors and platforms explicitly forbid it.

If your goal is to improve the appearance of child characters (e.g., Shaun, the synth child, or child settlers from mods like Orphans of the Commonwealth) or to change your own player character to be younger, here’s what's actually available and allowed.

From a technical standpoint, Fallout 4 uses different skeleton files (skeleton.nif) for adults and children. CBBE replaces the adult female skeleton. Applying it to a child would cause:

More importantly, modding communities have clear rules against sexualizing minors. On Nexus Mods:

"We do not allow mods that sexualize minors, including but not limited to: nude textures, adult body swaps, or suggestive outfit conversions."

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