This is the kind of thing I was expecting when I read the title Sakurasou no pet na kanojo ? (though I still enjoyed that one though), can't say I care much for the other three, personally not into loli that way, I just find them cute, and definitely not interested in femdom at all, though if the imoutou turns out to not be blood related that would be fair game, the fujoshi would be one of those friends who you tolerate their weird fetishes in respect for how well you've gotten along in the past, or one of those girls that you treat more like another one of the guys.