Episode 13 was aired. I like this episode the most so far in ARIA The Natural.
Spoiler:
This episode is special for Alice and Athena. Alice imposes her dekkai rule by herself to walk along shadow on her way home from school. Athena helps Alice not to break the rule, but she doesn't like her help.
Screencaps:
http://uploader.fam.cx/data/u11946.jpg
Ai wallpaper: