I don't think the loli is the sadidist, i think the maid is the super masochist, and the loli has to put up with her sister/girlfriend(?)'s bothersome ways, that's why she pays her no mind and reads a book with a tierd expresion whail holding the vibrators and gets her foot inconfortably wet.... i guess... :p
I'm wondering if Eli and Umi actually became boys or they're just wearing a boy's uniform... I would love to see Eli and Umi woth boyish hair but I guess I wouldn't recognize them