Hazuki is trying to act like a big sister to the two girls or she’s just trying to make a good shot at Kouhei. It’s so out-of-the-blue that you’d think she’s up to something. A surprise? Not like anything’s _that_ surprising in the series. ^^v
Elfriede shouldn’t have tried to harm her master. She should have ran off to another country.
She _is_ stupid to go against whatever-his-name-is. Not only did she make herself known as “stupid,” she will also be the cause for Kouhei’s future problems.