>>2804374For me, ecchi is a very broad concept because anything that is erotic is ecchi, but that can easily get into "fetish" territory very easily:
>>2803997 is a good gen of a girl sitting but if you're a legs/thighs enthusiast, that pic will agitate your acorns (like they did to mine). Nudism, revealing clothes, uncommon censors, anything that focuses on the erotic aspects of a body can work as well like body/plugsuits (like
>>2804080). Some could argue that displays of intimacy you'd expect from a partner are also ecchi, like
>>2803927 Anything can be a fetish if you try hard enough so it's very hard to know where to draw the line, unlike /h/.