Can't read a thing other than the bottom bars, but judging from the child post, these are the four girls' more hostile sides in their respective roles. The child post shows their 'dere' side.
(Imaginary) Little sisterHow dare you! Don't mess with me!DuelistWell that's because you don't tidy your room up yourself! If you don't want me to find these things, clean your room more often!Hey! I found this book while cleaning your room...Here, your uniform!Duel me!!Onii-san! Don't go to school in your pajamas again!MotherOlder sisterI won't help you even if your grades slip!C'mon! Be serious!