I've watched older japanese drama when i was little but cant remember.But the one that got me hooked was Beach Boys.Then the rest as they say was history.....
mine would be.....
Takashi Kashiwabara + Sato Aiko -Itazura No kiss most funniest couple
Takeshi Kaneshiro + Kyoko Fukada - Kamisama!Mou Sukashi most tragic couple
Yutaka Takenouchi + ...