Baku Ai summary:

From ShoujoMagic:Two girls, Sara and Youko, were once childhood friends, but they've since grown apart not only in intimation but in status. Sara shines while Youko is completely unspectacular at their Catholic high school. Suddenly, Sara wants to renew old bonds with Youko... and foster new ones. But her motives aren't as pure as simple (girl x girl) love...