I have found in shoujo and romance manga that usually people with different hair colors end up as a couple. And usually people with the same hair color, who are a couple, usually break up. ( ̄へ ̄)
My soul mourns for you! Yuri and kail, LIVE ON! And Suwa! The one who murdered Tito! Yes! may you be haunted for the rest of your life! LONG LIVE YURI!!!!!!!!! AND EVERBODY ELSE, Get along....(⌒▽⌒)
This kind of brings to mind little women...
It's based off Little Women.... albeit very loosely.