Added the missing ones. The back of the picture says, in entirety, 新年明けましておめでとうございます 今年も宜しくお願い致します, which I hate trying to translate, so I'll let someone else do it - if they can figure out where to put the note.
Keine, you should stop bringing Team 9 near Mokou. Wait, Ex-Keine!
Flan! Stop it!What the hell did you just say, you cow face!?Big sister, big sister!Nooooooooobackground of pic:
Happy New Year!
Let's get along well again this year!You wanna fight, you stupid bug?!