I'm looking forward to seeing how Yuuta gradually transfers his affection from Shinka to Rikka. And I suspect (hope?) that Shinka may be, not a recovered
chuunibyou "sufferer," but a current sufferer under deep cover.
And thanks to
houkoholic for more info about Uesaka Sumire (Sanae), who is a pretty interesting figure in herself. Make sure you click through to
the pics he posted from a radio show blog. They show her in full Kuroneko-style goth-loli, casting a curse and calling down the god.