This seems an opportune moment to ask this again. In ep 2, what are we looking at in the two panels either side of Adrian's head as he walks up the stairs?
Miscellaneous house deco.
They're just things Adrian saw as he was taking in all the scenery in his new home. You can find the kanji here:
http://en.wikipedia.org/wiki/Mind_controlin the second paragraph under 'The Korean War'. Our ideas for 'foreshadowing background clues' weren't quite so sophisticated or subtle back in those days. I like to think that Erin just moved the Clockwork Orange poster up to her room at some point. I think she likes that film.