After scrolling through obscure Tumblr blogs and Patreon links, Leo found it:
In the base game, players can toggle a "Feminine" clothing preference for male Sims, but the physical mesh often remains bulky or causes texture "clipping." The most "useful" mods for achieving a feminine male body generally fall into two categories: Body Sliders: sims 4 feminine male body mod
While the game’s 2016 "Gender Proficiency" update added a Feminine Frame toggle for male Sims, it often results in awkward breast shadows or strange proportions [1, 2]. To get a more natural look, you’ll want to look into custom content (CC). Top Feminine Body Mods & Presets After scrolling through obscure Tumblr blogs and Patreon
It is impossible to review body mods without mentioning skin overlays. A feminine body mod is only as good as the skin tone you apply. Many players use feminine male skins (like those by S-Club or Luumia ) which add subtle shading, collarbone definitions, and smoother textures that enhance the feminine look without changing the actual 3D mesh. A feminine body mod is only as good
Exactly what it says on the tin. This preset is more stylized—larger hips, a very small waist, and toned legs. It works beautifully with masculine clothing tags but shines with skirts and thigh-highs.