you could probably see Ren as an athlete and Kyouko a number one fan. kinda like the hana kimi feel but without the cross dressing, entering an all boys school, ect.
or.. Ren could play like the son of a very rich and well known business man who will one day be the heir of the business. while kyouko could play like the daughter of another rich business man but are rivals with Ren's dad. they both go to an elite school and can turn into a shoujo with a Romeo and Juliet feeling to it. but if only they were younger.....
well i actually think these would better fit a manga not a movie.
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Assassins Creed III Do you Seriously think i CARE?