Subreddits like r/breastexpansion

region: unclustered

The NSFW subreddit dedicated to female breast growth! From growing one cup size to smothering the universe, this is the place to talk about…

4,665 distinct commenters from Oct 2025 to Sep 2026 · 191,602 subscribers

Similarity is measured by shared commenters, not by text: these are the communities whose commenters overlapped most with r/breastexpansion's from Oct 2025 to Sep 2026.

• r/aiexpansionhentai
  Welcome to r/AIExpansionHentai! Enjoy watching girls get bigger with the power of artificial intelligence.
• r/expansionai
  A home for AI generated body parts (breasts, ass, lips, futa, bimbo, dick growth) expansion for all styles. Please no transformation,…
• r/oversizedoppai
  Oppai of the oversized variety.
• r/futanarigrowth
  For lovers of Futanari growing bigger in all the right ways whether it's stretching out that top, bulging out those shorts, beefing up at…
• r/buttonpopping
  The best of breasts popping out of their tops, big or small. OC is welcome and encouraged. Please remember to be respectful. Enjoy!
• r/expansionhentai
  Everything inflation art
• r/progressivegrowth2
  For displaying natural female body growth. 18+ only.

18+. From the Subreddit Atlas, a map of NSFW Reddit communities built from archived metadata: author names, subreddit names, and counts only, no post content. Methodology & removal requests · all subreddits