Here's the trailer
It looks like the Hagu/Morita/Takemoto triangle is going to be more overt. There doesn't seem to be a mention of Rika in the Mayama/Yamada scenes. I don't know if Morita's manic nature can really be pulled off in live action. The Hagu actress seems to be an ok fit. It's going to be different, that's for sure.
Rika is in it.^_^ I'm a little wary of it, since Garten from Memento was not so pleased with it, but I hear the actress who plays Yamada and the actress who plays Hagu were exceptionally good. I'm curious to see how the guy who plays Morita does, though.<3