Before, the chains were on her left, I think? Good catch, though, damn. I was too distracted by the OMGAHWTFBBQYUKOHOOOOT to notice that.
I also noticed that the Yuko at the bottom of the stairs pushed her hair back in a very Jurina fashion whereas the other seemed more Yuko from last season. I dunno...
On a rewatch, I noticed two things during the theme song.
1. When Miichan (Shaku, I think?) joins the girls, Gakuran (or whatever her new name is) glances over at her and does this little happy smirk. Will Gakuran have a thing for Shaku this season?
2. Acchan holding out her arms on the roof reminds me of the Keibetsu Shiteita Aijou pv...