I'm not sure if you seen anime or read the manga of the first series of GENSHIKEN but I personally love the first series more. Why, simple because the characters in the first series is more interesting with more humor. The second GENSHIKEN series didn't really got me interested I hated how it killed off my favorite characters from the first series Saki Kasukabe and her boyfriend Makoto Kousaka I always wanted to see more how his & her relationship more after graduation as everyone knows he IS a hardcore otaku even tho he got the looks. This second series focus mostly on a boy whocross dress Hato, from the first series hardcore otaku Muradame, and a fujoshi Ogiue while the others are either just tag along, or occasionally have some or a few moments not much. But to have Muradame with no Saki and kousaka just makes me lose a bit of interest.I don't mean I want Saki x Muradame ..becuz I love Saki x Kousaka together more, but when Saki there it makes things more hilarious fill with humor.
Well if your interested BL or effeminate male u might enjoy this more than I do not tat I have anything against BL or anything but because I'm personally not a fan of a guy who cross dress as a girl and act like one when watching anime.