Watched Chu-Bra... probably because I'm a glutton for shitty anime now (and the lack of any of the usual Sunday shows airing). It's... not as bad as the description made it out to be.
Maybe it's another one of those cultural things I just don't get, but it looks like it's just a show about women's underwear. There are the generic fanservice shots, but put into the context of a clinical discussion of underwear, you'd have to have very particular fetishes (beyond lolis) to be even turned on by it. I imagine it'd be like being turned on by women talking about going to the OBGYN. :lol
But if it's not meant to titillate, I really have no idea what it's supposed to be about. Maybe it's just another Hyakko/Hidimari Sketch/etc, but with a focus on the technology of underwear or something.
God, at least good shows are coming back soon.