Nothing surprising. The girls are all fappable. The manga is actually very good. That's enough to establish a fanbase even on /a/.
The MISERABLE PILE OF SECRETS that is the anime adaptation can easily be overlooked in many cases.Well, not that the animu is a total failure though, if we can somehow forget how good the manga is or how much potential the characters got and wut would happen should they're being put in another better show.
Also, legendary screencap animu.