1 Litre of Tears is probably the best that I've seen. I however have watched
Tadashii Ouji no Tsukurikata and laughed so hard! I loved it! Also I'm in the middle of
Zettai Kareshi (Absolute Boyfriend) I'm laughing a lot in that one too. I see a lot of dramas that were on my to watch list. I will look them up soon