Classic shounen avoids explicit sex, but “hot” in fan tags often means:

In a 3D rendering, "hot" translates to subsurface scattering of skin, sweat droplets catching light, visible respiration. It’s the friction of bodies colliding, rendered in polygons and shaders.

For example, search “shounen 3D español MMD” and you’ll find fight choreography videos using characters from Dragon Ball or Naruto in Spanish-dubbed skits. Some creators go further, designing original “hot” male characters with ripped shounen physiques and intense, brooding personalities – exactly the kind of content tagged “shounen ga onota español 3d hot.”