hmmm there are a few i think are "the best". i think probably junjou romantica, ouran highschool host club, otome youkai zakuro, shugo chara, sekaiichi hatsukoi, fruits basket etc all that stuff i would consider some of the best
ok i suck at choosing one thing i like better than all the others.
마멀레이드 Boy. The world's most convoluted 사랑 pentacle. Looking up information on it unfortunately spoils the ending. The thing about the show is that 당신 honestly don't know whom will end up with whom. (Eh, now that I think about it, doesn't Card Captor Sakura have a similar plot?)
Think of it as a G-rated 복숭아 Girl set in the late 80s/early 90s.
::Inhales:: One guy has a crush on a girl who has a crush on a guy who's just not interested. One girl can't choose between two guys, one guy can't choose beween 2 girls, one guy likes a girl who likes a guy who's way older than her who likes another woman. & then there's the whole convoluted mess between two sets of parents who trade spouses & all live together.